H2 database engine exploit. Storage can be disk-based or in-memory.

H2 database engine exploit Jun 21, 2020 · H2 databaseは、Javaで開発されている軽量データベースです。簡易に導入が出来る為、ちょっとしたサンプルアプリケーションの動作検証などに最適です。 本ページでは、最新バージョン（2020. h2. Open a terminal window; And then run: cd <download directory> unzip h2*. The Google Hacking Database (GHDB) is a categorized index of Internet search engine queries designed to uncover interesting, and usually sensitive, information made publicly Dec 5, 2017 · H2 Database Engine (以降本書中ではH2DBと記載します) のWindwos環境下におけるインストールから、サーバモードでの起動方法、お使いのデータベース開発支援ツールとの接続方法… H2 is stored on the file system, but it would be better to use the backup tools that you reference, because the file format can change between versions of H2. 4. naming. x versions are not compatible with 2. Having tried the following code: server = Server. This can lead to code execution Jan 6, 2022 · The researchers said CVE-2021-42392 for the H2 database console is the first critical issue published since Log4Shell, on a component other than Log4j, that exploits the same root cause of the Dec 27, 2023 · Crucially, ports 80 and 8082 were open, hosting a Microsoft IIS server and an H2 Database Engine, respectively. The name H2 stands for Hypersonic 2, however H2 does not share code with Hypersonic SQL or HSQLDB. com/h4ckninja/22b8e2d2f4c29e94121718a43ba97eed. This vulnerability has been modified since it was last analyzed by the NVD. AUTO, the persistence provider will choose the default generation strategy for the database. Jul 17, 2024 · By leveraging these methods, an attacker can perform remote code execution on vulnerable H2 Database instances, potentially gaining control over the host system. 199 - JNI Code Execution Exploit Database. CVE-2022-45868 has a 18 public PoC/Exploit available at Github. Aug 29, 2022 · Pressing the Connect button here, we are allowed to connect to the database. Create a dump of the current database using the tool [1] # This tool creates a 'config. 3. Nov 21, 2024 · The org. This blog post will show a previously undisclosed way of exploiting H2 without the need of the Java compiler being available, a way that leads us through the native world just to return into the Java world using Java Native Interface (JNI). This blog post will show a previously undisclosed way of exploiting H2 without the need of the Java compiler being available, a way that leads us through the native world just to return into the Java world On January 07, 2022, researchers discovered a critical Java Naming and Directory Interface (JNDI) vulnerability in H2 Database Engine with a similar underlying cause as the notorious Log4j vulnerability. We can see this is H2 1. properties in your user home directory. getConnection method of the H2 database takes as parameters the class name of the driver and URL of the database. He also developed the Java database engine Hypersonic SQL. In this post a payload is explained to get RCE via a H2 database abusing a SQL Injection. Welcome to H2, the Java SQL database. Jan 7, 2022 · A critical, unauthenticated remote code execution vulnerability has been impacting the H2 database console since 2008. Aug 16, 2023 · A valid database connection is required. Then your path to the file will definitely show the data from your table until and unless any errors occur. To review, open the file in an editor that reveals hidden Unicode characters. 214: 1: To exploit a vulnerability a certail level of authentication might be required. py This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. The official way to upgrade is to do a BACKUP of your existing database USING YOUR CURRENT VERSION OF H2. Any other WSO2 products containing the H2 Database Engine before 2. Jul 30, 2018 · The Exploit Database is a repository for exploits and proof-of-concepts rather than advisories, making it a valuable resource for those who need actionable data right away. If you distribute a binary that includes H2, you need to add a disclaimer of liability - see the example below. 1, depending on who you're asking. 1 or 9. Sure enough, we get a few interesting results, especially one that includes code execution (H2 Database 1. When changes are made to our codebase, we run automated test cases, and when the test case involves data manipulation, H2 Database Engine is used instead of a full blown database such as PostgreSQL. To keep the database open, add ;DB_CLOSE_DELAY=-1 to the database URL. Execution will occur with the permissions assigned to the user running the H2 database engine. 21時点）のH2 databaseのインストール手順を説明します。 #導入環境 Jan 11, 2022 · Researchers have warned of a new, critical Java flaw impacting the console of the popular H2 Java SQL database with the same root cause as the Log4Shell vulnerability in Apache Log4j. By selecting these links, you will be leaving NIST webspace. tools. However this should happen while the application is running. The Google Hacking Database (GHDB) is a categorized index of Internet search engine queries designed to uncover interesting, and usually sensitive, information made publicly Aug 1, 2019 · Techniques to gain code execution in an H2 Database Engine are already well known but require H2 being able to compile Java code on the fly. The following products are affected by CVE-2022-45868 vulnerability. H2 uses by default a sequence starting at 1 and incrementing by 50. Welcome to H2, the free SQL database. It can't just be ignored by anyone using H2, especially now that dependabot has started complaining about the dependency! h2-exploit. Consequently, a malicious local user or an Summary Of Result. Recover # 2. In embedded mode, a H2 database is stored permanently on disk and the database engine runs in the same process that runs the application. Engine#openSession(org. There is a total loss of availability, resulting in the attacker being able to fully deny access to resources in the impacted component; this loss is either sustained (while the attacker continues to deliver the attack) or persistent (the condition persists even after the attack has completed). server. Jan 11, 2022 · A new RCE vulnerability in the H2 database. Change Log Next Version (unreleased) Nothing yet Version 2. 可以调试一下这个执行流程，h2的init命令会进入到org. 220. Windows, Mac OS X, or Linux Java 11 or newer H2 Console. Jul 10, 2019 · By default, closing the last connection to a database closes the database. Jun 25, 2019 · Exploiting H2 SQL Injection. This is unlike Log4Shell which was exploitable in the default configuration of Log4j. Consequently, a local user (or an attacker that has obtained local access When using GenerationType. the attacker can repeatedly exploit a vulnerability that, in each instance of a successful attack, leaks a only small Nov 20, 2024 · Modified. H2 Database 1. According to May 22, 2024 · MODE=PostgreSQL: This option sets the H2 database to emulate the behavior of a PostgreSQL database. x’s default HikariCP database connection pool and a common Java development database, the H2 Database Engine. Therefore using GenerationType. [2] In 2001, the Hypersonic SQL project was stopped, and the HSQLDB Group was formed to continue work on the Hypersonic SQL code. The main features of H2 are: Very fast, open source, JDBC API Embedded and server modes; in-memory databases Browser based Console application Small footprint: around 2. github. 7. Nov 24, 2022 · A vulnerability was found in H2 Database Engine up to 2. Solution Exploit Patch Trends; CVE-2022-45868 ** DISPUTED ** The web-based admin console in H2 Database Engine through 2. Veritas engineers have assessed the potential exploitability in our Veritas products. To connect to an H2 embedded database, you need to use one of the following JDBC URLs: jdbc:h2:~/test the ‘test’ database in the user home directory Even knowing this, we had one last challenge to surpass before getting RCE in a reliable manner, which H2 database were we going to point Metabase to during this validation step? Using the Metabase database itself would lead to the database being corrupt and was not an ideal exploit for this vulnerability. Jan 6, 2021 · The Exploit Database is a CVE compliant archive of public exploits and corresponding vulnerable software, developed for use by penetration testers and vulnerability researchers. The most commonly used methods for exploitation are RUNSCRIPT and TRIGGER. Jan 10, 2022 · If you have apps that use the H2 Database Engine, upgrade H2 to version 2. It is inherently insecure to have your database credentials in your application, not to mention requiring to have your database server publicly accessible. At the time of writing, 2. 2. For that reason I have to stop the H2 database beforehand and restart in again afterwards. I provide an updated RCE method via Spring Boot 2. Then create a fresh database USING THE NEW VERSION OF H2 , then perform a SCRIPT to load your data. The biggest reason was that the internal H2 engine is single threaded. How reliable is h2 database? [closed] In 2010 we switched away from H2 to MySQL for our large[r] corporate database shards. As with the recent ‘Log4Shell’ exploits, unauthenticated attackers can achieve remote code execution (RCE) because the console accepts arbitrary Java Naming and Directory Interface Jan 7, 2021 · Authored by Markus Wulftange, 1F98D. It is tested with Java May 23, 2017 · For Windows Users: The excellent way to read a *. 199 - JNI Code Execution | java/local/49384. There are certain areas where H2 is incompatible. jar org. At this time, this database engine commits a transaction (if autocommit is switched on) just before returning the result. txt. zip cd h2/bin chmod +x h2. db. The doc says to use -user sa in the d Jan 6, 2022 · On vanilla distributions of the H2 database, by default the H2 console only listens to localhost connections – making the default setting safe. 232 (2024-08-11) Issue #4005: Add optional version to RANDOM_UUID function and generator of version 7 in addition to existing version 4 6. It is part of the NoSQL family of database systems. We use a sample database for our connection string to prevent corrupting real databases. h2database:h2 is a database engine. start(); Here is the properties for the connection: javabase. SOLUTION¶ Feb 22, 2022 · The remote H2 database is affected by a remote code execution vulnerability by allowing JNDI lookup on user-supplied data. 5685 - Local Privilege Escalation Apr 9, 2018 · The Exploit Database is a repository for exploits and proof-of-concepts rather than advisories, making it a valuable resource for those who need actionable data right away. engine. CVE-2022-45868 : The web-based admin console in H2 Database Engine before 2. Installation. 155. Transaction Commit when Autocommit is On. 6. When large, unoptimized queries are running across our databases with 100s of thousands or millions of rows, all other database operations would stop. 206. このチュートリアルでは、Javaベースの軽量データベースである**H2 Database（H2DB）**を使用して、SQLデータベースとテーブルを作成する方法をステップバイステップで解説します。 H2 Database Engine. Affected versions of this package are vulnerable to Remote Code Execution (RCE). Technical Details Like in the Log4Shell, this vulnerability is due to several code paths in the H2 database framework that pass unfiltered attacker-controlled URLs to the javax. properties file of via environment variables. Apr 22, 2020 · To protect their users from such security issues, H2 since the version 1. 206 (released 2022-01-04) is listed as the latest version, although the H2 changelog still lists 2. 224. Jan 12, 2020 · My write-up expands on the work of Michal Stepankin, who researched ways to exploit exposed actuators in Spring Boot 1. PaperStream IP (TWAIN) 1. properties Jan 25, 2024 · User has low privilege access to Networker Client system could potentially exploit this vulnerability, leading to the disclosure of configured MySQL Database user credentials. We copy and paste everything from the line below “ — Write native library” from the exploit code into the H2A database. I need to start H2 database in server mode from my application. The CREATE ALIAS function calls Java code, allowing an attacker to execute arbitrary Java code on projects running the h2 Apr 9, 2018 · A valid database connection is required. x database file formats and since this upgrade will introduce syntax changes to current database scripts, the existing H2 databases would need a data migration. MongoDB is an open source document-oriented database system. however this requires the Java To run this database, the following software stack is known to work. May 24, 2024 · The H2 Database Engine is highly versatile, supporting both embedded and server modes, which makes it adaptable for various application needs. 2. h2database:h2 is a database engine Affected versions of this package are vulnerable to Remote Code Execution (RCE). The manipulation of the argument the with an unknown input leads to a information disclosure vulnerability. 168. However, in order to enable the H2 console, the administrator must explicitly load it. 198 doesn't allow access to sensitive features of H2 Console (including features used in these two vulnerabilities) without additional authentication, so these issues should be considered as resolved in these products too if they use a some recent version of H2. Go to the Public Exploits tab to see the list. It provides compatibility modes for different database systems, such as MySQL, ORACLE, etc. From the above exploit, "H2 allows users to gain code execution by compiling and running Java code. getConnection method to cause remote code execution. It is awaiting reanalysis which may result in further changes to the information provided. An unauthenticated, remote attacker can pass a specially crafted JNDI driver name and JDBC URL to the org. Jan 21, 2022 · Saved searches Use saved searches to filter your results more quickly Oct 22, 2021 · The CVE has a score of 8. private javax. It contains our Java code payload. As this database is written in Java, it can run on many different platforms. An open-source Java SQL database, H2 is an in-memory solution that eliminates the need to store data on disk, and is one of the most popular Maven packages, having roughly 7,000 artifact dependencies, May 20, 2017 · I have a use case where I need to backup the database. Version. The H2 Console Application. For Windows installations, the user home directory is usually C:\Documents and Settings\[username] or C:\Users\[username]. Consequently, a local user (or an attacker that has obtained local access through some means) would be able to discover the password by listing processes and their com. If the database engine was configured to allow creation of databases, the module default can be used which utilizes an in memory database. mv file would be locally installing the h2 database and then running that database locally with the java command. Nov 23, 2022 · The web-based admin console in H2 Database Engine through 2. You should build a rest service that communicates with the database, and let your android device talk to that reset service. jdbc Mar 26, 2019 · I was unable to open h2 console because, There was a spring-boot-starter-jdbc dependency in my project which was not needed, My password and username did not match to those that I specified in the application. Mozilla Firefox Supported Platforms. 8 Jul 13, 2024 · DbSchema is a super-flexible database designer, which can take you from designing the DB with your team all the way to safely deploying the schema. Jun 23, 2014 · The settings of the H2 Console are stored in a configuration file called . This problem drove me around the twist and besides this page I read many (many!) others until I solved it. The CREATE ALIAS function calls Java code, allowing an attacker to execute arbitrary Java code on projects running the h2 Jan 7, 2022 · JFrog セキュリティ リサーチチームは、H2 データベースコンソールの脆弱性を公開し、クリティカルな CVE-2021-42392 を発行。この問題は、Apache Log4j の悪名高い Log4Shell（JNDI リモートクラスローディング）と同じ要因から来るものです。 Apr 13, 2022 · Summary com. After some research, we found out that H2 allows the definition of functions aliases and therefore the execution of Java code. H2 Database version 1. Our aim is to serve the most comprehensive collection of exploits gathered through direct submissions, mailing lists, as well as other public sources, and present them Oct 1, 2018 · Our aim is to serve the most comprehensive collection of exploits gathered through direct submissions, mailing lists, as well as other public sources, and present them in a freely-available and easy-to-navigate database. 210 WSO2 JUSTIFICATION ¶ In H2 databases, as the 1. We can then escalate our privilege by abusing misconfigured SeImpersonatePrivilege token. 220 can be started via the CLI with the argument -webAdminPassword, which allows the user to specify the password in cleartext for the web admin console. Jan 7, 2022 · Critical flaw in the H2 open-source Java SQL database are similar to the Log4J vulnerability, but do not pose a widespread threat. H2 Databaseのインストールでちょっとつまずいたので備忘録としてまとめました。基本操作もまとめてますので参考にして下さい①Javaがインストールされているか確認。 Jan 10, 2023 · If such access could be obtained, a malicious actor could execute arbitrary code on the server running the H2 database engine. Saved searches Use saved searches to filter your results more quickly May 23, 2015 · H2 Database Engine A fast SQL database that can run embedded or a server mode with support for transactions, encryption, full search, etc. . Its homepage is H2 Database Engine. AUTO or GenerationType. DotCMS is shipped with the H2 database by default. createTcpServer(). Vulnerabilities without Perfino uses by default the H2 Database Engine as its persistence storage. We have determined that there are currently no Veritas products that expose the vulnerable H2 Database Engine features, therefore we do not believe that any of our products are impacted by these vulnerabilities at this time. H2 Database Engine. Dec 13, 2022 · GeoNetwork uses a default username and password for connecting to the H2 database if you haven't provided any modifying the jdbc. com. zip). We value your trust in Veritas Oct 3, 2018 · You shouldn't use JDBC on android devices. This database is (up to a certain point) compatible to other databases such as HSQLDB, MySQL and PostgreSQL. Affected versions of this package are vulnerable to Information Exposure when H2 web-based admin console was started via the CLI with the argument -webAdminPassword, which allows a local user to specify the password in plaintext for the web admin console. 0. Product Description. This exploit utilizes the Java Native Interface to load a a Java class without needing to use the Java Compiler. The way it does all of that is by using a design model, a database-independent image of the schema, which can be shared in a team using GIT and compared or deployed on to any database. When creating a new database, an H2 database string is created with a TRIGGER that allows for code execution. 199 JNI code execution exploit. Jul 1, 2022 · H2 is an open-source relational database management system written in Java that can be embedded within applications or run in a client-server mode. Nov 23, 2022 · Nonetheless, the issue was fixed in 2. Also, it’s not possible to access the In-Memory Database Console from another process, unless you start a TCP server in the same process as the database was opened. Java Connect to H2 Database in Embedded Mode. sh script is relatively simple, it is: H2 Database Engine Vulnerabilities. License The database engine was written by Thomas Mueller. Therefore, the overall com. H2 Console allows loading of custom classes from remote servers through JNDI. Privileges required: More severe if no privileges are required. Nov 23, 2022 · Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability. The default username and password for the H2 database are: Username: www-data; Password: www-data Downloads Version 2. My Use Case was to see how a SpringBatch project created in STS using :: Spring Boot :: (v1. 66 -oA jacko Nmap scan report for 192. Consequently, a malicious local user or an Jul 28, 2023 · A so-called exploit puts a password in a potentially insecure place by itself and starts the H2 Server process with this possibly compromised (depending on the environment) password after that. util. com)) Exploitation H2 Database Code Execution. Context. It provides a web console for managing the database, and by default it does not have a password set. x and achieve RCE via deserialization. nmap -sCV -p- -T4 -v 192. Jun 10, 2016 · The H2 Database Engine is an easily embeddable Java-only database engine with a small footprint. We have provided these links to other web sites because they may have information that would be of interest to you. Jan 7, 2022 · Researchers at the security firm JFrog have discovered a new remote code execution vulnerability in the H2 database console, a Java-linked database, which could allow attackers to exploit the flaw H2 Database 1. Now I'm trying to access that database with the Script tool. 42. 66 Sep 26, 2024 · H2 Database（H2DB）を使用したSQLデータベースおよびテーブル作成チュートリアル. ConnectionInfo) 这个函数，然后在init进入处理分支执行命令，注意这里的命令是只允许是单条命令的，所以init操作只允许单条命令 Download the H2 zip file (for example h2-2013-07-28. sql' db dump cd ${PERFINO_DATA_DIR} java -cp ${PATH_TO_H2_LIB}/h2*. As enumerating, we discover a vulnerable H2 database with a default credentials running on the target system, which leads to Remote Code Execution. jdbcx. /h2. The content of the h2. I think you only need to adjust the insert code. sql. lookup By default, H2 Console is not enabled and doesn’t accept remote connections. From a program, I created a H2 database without specifying any user or password in the JDBC URL. Attack complexity: More severe for the least complex attacks. The attacker may be able to use the exposed credentials to access the vulnerable application Database with privileges of the compromised account. 5 MB jar file size Jan 7, 2022 · A vulnerability with the same root cause as the notorious Log4j flaw has been patched in the console of the hugely popular Java SQL database, H2 Database Engine. sh . 214 can be started via the CLI with the argument -webAdminPassword, which allows the user to specify the password in cleartext for the web admin console. Instead of storing data in tables as is done in a "classical" relational database, MongoDB stores structured data as JSON-like documents with dynamic schemas (MongoDB calls the format BSON), making the integration of data in certain types of applications easier and faster. You don't need to provide the source code of H2 if you did not modify anything. Its in-memory database capability offers exceptional speed for testing and development. 1. However, nobody is allowed to rename H2, modify it a little, and sell it as a database engine without telling the customers it is in fact H2. 214 and classified as problematic. Snyk Vulnerability Database. Storage can be disk-based or in-memory. 5 MB jar file size H2 Database Engine. Some Docker instances of H2 don't allow writing to folders such as /tmp, so we default to writing to the working directory of the software. There are other attack vectors that can exploit the H2 flaw Jan 19, 2022 · References to Advisories, Solutions, and Tools. For an in-memory database, this means the content is lost. As with H2 the database can be stored in a file, this seems to be easy to just copy the file away. JdbcUtils. SEQUENCE with H2 should have the same result. Sep 11, 2024 · H2 database JNI Code Execution Exploit. However – it’s worth noting the H2 console can easily be changed to listen to remote connections as well. 199 - JNI Code Execution - Java local Exploit (exploit-db. JdbcDataSource ds = new JdbcDataSource ( ); // Implementation of `DataSource` bundled with H2. Let's see how to fix CVE-2021-42392- a critical unauthenticated RCE in the H2 database console. H2 Database Engine is primarily used for running application test cases by our development team. Here’s an example H2 database URL that includes some of the options: With this token a user is able to submit the setup functionality to create a new database. DataSource dataSource ( ) { org. Currently, Metabase supports multiple databases, but in this case, we will focus on the deep exploitation of the H2 database. Let's take a look at the details of the vulnerability. H2 has a recovery tool and a run script tool to import sql statements: # 1. Unauthenticated RCE vuln in the H2 Database console: CVE-2022-23221. To keep the content of an in-memory database as long as the virtual machine is alive, use jdbc:h2:mem:test;DB_CLOSE_DELAY=-1. Searching in Exploit Database for this service, we can see there is a code execution vulnerability. Other software most likely also works, but is not tested as much. An attacker may pass a JNDI driver name and a URL leading to a LDAP or RMI servers, causing remote code execution. 199. 232 (2024-08-11) Windows Installer (SHA1 checksum: 58e6993a0440ffb2c6d6864ba81931c495bdb993) Platform-Independent Zip (SHA1 checksum Using Java 21 with H2 Database Engine 2. sql' and a 'perfino. RELEASE) was going to behave with the H2 database; to do the latter, I needed to be able to get the H2 console running as well to query the DB results of the batch run. sh This should start the H2 server tool and open a browser window that lets you connect to a database. In the case of the H2 database instance embedded in WSO2 products, this is the user running the WSO2 product. The following listing shows a sample query that creates a function alias called REVERSE. Aug 1, 2019 · Techniques to gain code execution in an H2 Database Engine are already well known but require H2 being able to compile Java code on the fly. The Exploit Database is a repository for exploits and proof-of-concepts rather than advisories, making it a valuable resource Having access to communicate with the H2 database check this exploit to get RCE on it: https://gist. The author of that fake exploit blames H2 for the password exposure, but the password isn't exposed by H2; it is exposed by code that starts H2. The main feature of H2 are: It is free to use for everybody, source code is included Written in Java, but also available as native executable JDBC and (partial) ODBC API Embedded and client/server modes Clustering is supported A web client is included No Javascript Jan 25, 2022 · Document Title. 206 as “unreleased” , and doesn’t document CVE-2021-42392 as one of the issues fixed. The H2 database has a parameter called init when connecting to the database, which allows executing any SQL statement. Database Engine. The Console lets you access a SQL database using a browser interface. Affected by this issue is some unknown processing of the component CLI. wcre eodk dmker txlbc ytz krfi ggg cauvq rbeminz hxuhfrz