H2 database engine exploit. h2database:h2 is a database engine.

H2 database engine exploit Jan 6, 2021 · 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. 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. Jan 20, 2022 · Alternatively, the attacker has the ability to deny some availability, but the loss of availability presents a direct, serious consequence to the impacted component (e. 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. Nov 20, 2024 · Modified. 155. I need to start H2 database in server mode from my application. The database engine was written by Thomas Mueller. 66 -oA jacko Nmap scan report for 192. txt. As with the recent ‘Log4Shell’ exploits, unauthenticated attackers can achieve remote code execution (RCE) because the console accepts arbitrary Java Naming and Directory Interface ( JNDI ) lookup URLs. At the time of writing, 2. Nov 24, 2022 · A vulnerability was found in H2 Database Engine up to 2. 4: Step 1: Create a 'dummy' table within the database. As with H2 the database can be stored in a file, this seems to be easy to just copy the file away. 5 MB jar file size com. Consequently, a local user (or an attacker that has obtained local access through some means) … H2 Database 1. 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. H2 Database 1. 66 Aug 29, 2022 · Pressing the Connect button here, we are allowed to connect to the database. License Jan 10, 2023 · If such access could be obtained, a malicious actor could execute arbitrary code on the server running the H2 database engine. (The storage engine "MVStore" is used). 199 - JNI Code Execution | java/local/49384. Context. 0. 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. Solution H2 Database Engine is primarily used for running application test cases by our development team. 4. Now I'm trying to access that database with the Script tool. We can see this is H2 1. server. We utilize TRIGGER + DefineClass to exploit the vulnerability. com. Apr 13, 2022 · Summary com. Having tried the following code: server = Server. jdbc 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. Oct 1, 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. The MVStore is still beta right now (November 2014). We copy and paste everything from the line below “ — Write native library” from the exploit code into the H2A database. Nov 23, 2022 · The web-based admin console in H2 Database Engine before 2. nmap -sCV -p- -T4 -v 192. PaperStream IP (TWAIN) 1. The manipulation of the argument the with an unknown input leads to a information disclosure vulnerability. Storage can be disk-based or in-memory. Welcome to H2, the Java SQL database. CVE-2022-45868 : The web-based admin console in H2 Database Engine before 2. h2. May 23, 2017 · In H2 version 1. The biggest reason was that the internal H2 engine is single threaded. It can't just be ignored by anyone using H2, especially now that dependabot has started complaining about the dependency! Jan 12, 2020 · My write-up expands on the work of Michal Stepankin, who researched ways to exploit exposed actuators in Spring Boot 1. util. 206. Let's see how to fix CVE-2021-42392- a critical unauthenticated RCE in the H2 database console. Consequently, a malicious local user or an Dec 13, 2016 · In the H2 database, on a table with a column of UUID data type, how do we specify that we want H2 to generate a UUID value by default when an INSERT omits that field? I know how to generate a UUID. createTcpServer(). 42. 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. lookup function, which allows for remote code execution. The Google Hacking Database (GHDB) is a categorized index of Internet search engine queries designed to uncover interesting, and usually sensitive, information made publicly This vulnerability is exploited by triggering the database connection information, and using H2 allows for arbitrary commands. My question is about how to ask H2 to generate the UUID value on my behalf. 1, depending on who you're asking. 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. Jun 20, 2022 · Summary com. Jan 10, 2022 · If you have apps that use the H2 Database Engine, upgrade H2 to version 2. It is part of the NoSQL family of database systems. I have read the Question, How to insert a specific UUID in h2 database?. db is the default. It provides a web console for managing the database, and by default it does not have a password set. Unauthenticated RCE vuln in the H2 Database console: CVE-2022-23221. Jun 23, 2014 · The settings of the H2 Console are stored in a configuration file called . An attacker may pass a JNDI driver name and a URL leading to a LDAP or RMI servers, causing remote code execution. start(); Here is the properties for the connection: javabase. x’s default HikariCP database connection pool and a common Java development database, the H2 Database Engine. The doc says to use -user sa in the d 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. mv. The most commonly used methods for exploitation are RUNSCRIPT and TRIGGER. the attacker can repeatedly exploit a vulnerability that, in each instance of a successful attack, leaks a only small Nov 21, 2024 · The org. In H2 version 1. 206 as “unreleased” , and doesn’t document CVE-2021-42392 as one of the issues fixed. H2 Database Engine. The default username and password for the H2 database are: Username: www-data; Password: www-data H2 Database Engine. This vulnerability has been modified since it was last analyzed by the NVD. 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. This is unlike Log4Shell which was exploitable in the default configuration of Log4j. 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 Jul 17, 2024 · The exploitation strategy varies based on the version of the H2 Database: For Versions < 1. h2database:h2 is a database engine Affected versions of this package are vulnerable to Remote Code Execution (RCE). Version. You don't need to provide the source code of H2 if you did not modify anything. h2database:h2 is a database engine. Execution will occur with the permissions assigned to the user running the H2 database engine. This can lead to code execution Dec 27, 2023 · Crucially, ports 80 and 8082 were open, hosting a Microsoft IIS server and an H2 Database Engine, respectively. 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. JdbcUtils. H2 Console allows loading of custom classes from remote servers through JNDI. The Google Hacking Database (GHDB) is a categorized index of Internet search engine queries designed to uncover interesting, and usually sensitive, information made publicly available on the Internet. An unauthenticated, remote attacker can pass a specially crafted JNDI driver name and JDBC URL to the org. , the attacker cannot disrupt existing connections, but can prevent new connections; the attacker can repeatedly exploit a vulnerability that, in each instance of a successful Nov 23, 2022 · The web-based admin console in H2 Database Engine before 2. 199. 206 (released 2022-01-04) is listed as the latest version, although the H2 changelog still lists 2. Installation. 214: 1: To exploit a vulnerability a certail level of authentication might be required. bat. Product Description. h2database:h2 is a database engine Affected versions of this package are vulnerable to Remote Code Execution (RCE) via a jdbc:h2:mem JDBC URL containing the IGNORE_UNKNOWN_SETTINGS=TRUE com. It is awaiting reanalysis which may result in further changes to the information provided. 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. 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). H2 Database Engine Vulnerabilities. The H2 database has a parameter called init when connecting to the database, which allows executing any SQL statement. Therefore, the overall Jan 6, 2022 · com. 199 - JNI Code Execution Exploit Database. How reliable is h2 database? [closed] In 2010 we switched away from H2 to MySQL for our large[r] corporate database shards. The name H2 stands for Hypersonic 2, however H2 does not share code with Hypersonic SQL or HSQLDB. I provide an updated RCE method via Spring Boot 2. The CREATE ALIAS function calls Java code, allowing an attacker to execute arbitrary Java code on projects running the h2 May 20, 2017 · I have a use case where I need to backup the database. For Windows installations, the user home directory is usually C:\Documents and Settings\[username] or C:\Users\[username]. Affected by this issue is some unknown processing of the component CLI . 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 Jan 11, 2022 · A new RCE vulnerability in the H2 database. Saved searches Use saved searches to filter your results more quickly Jan 7, 2022 · A critical, unauthenticated remote code execution vulnerability has been impacting the H2 database console since 2008. Apr 9, 2018 · A valid database connection is required. getConnection method to cause remote code execution. getConnection method of the H2 database takes as parameters the class name of the driver and URL of the database. Aug 16, 2023 · A valid database connection is required. 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. 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. Let's take a look at the details of the vulnerability. 168. 1 or 9. The H2 Console Application. 1. naming. 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, Contribute to cExplr/H2_RCE_Exploit development by creating an account on GitHub. Nov 21, 2024 · The org. Jan 25, 2022 · Document Title. Through our research and analysis, we have found that this technique can not only be applied to database connections, but also to SQL injection in H2 Oct 22, 2021 · The CVE has a score of 8. Jun 10, 2016 · The H2 Database Engine is an easily embeddable Java-only database engine with a small footprint. dbis the default. However – it’s worth noting the H2 console can easily be changed to listen to remote connections as well. . 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. He also developed the Java database engine Hypersonic SQL. 2. The CREATE ALIAS function calls Java code, allowing an attacker to execute arbitrary Java code on projects running the h2 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. (The storage engine "PageStore" is used). Currently, Metabase supports multiple databases, but in this case, we will focus on the deep exploitation of the H2 database. 2. In the case of the H2 database instance embedded in WSO2 products, this is the user running the WSO2 product. 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. properties file of via environment variables. [2] In 2001, the Hypersonic SQL project was stopped, and the HSQLDB Group was formed to continue work on the Hypersonic SQL code. 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. Sep 11, 2024 · H2 database JNI Code Execution Exploit. 214 and classified as problematic. 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 Apr 22, 2020 · To protect their users from such security issues, H2 since the version 1. 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. 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 Google Hacking Database (GHDB) is a categorized index of Internet search engine queries designed to uncover interesting, and usually sensitive, information made publicly You can indicate a non-existent name a of database in order to create a new Having access to communicate with the H2 database check this exploit to get Nov 23, 2022 · The web-based admin console in H2 Database Engine through 2. g. Step 2: Use the SCRIPT SIMPLE NODATA NOSETTINGS TO '{BAT_FULLPATH}' command to write output logs to a file located at C:\Windows\Tasks\svchost. 5 MB jar file size Nov 24, 2022 · Snyk Vulnerability Database. 5685 - Local Privilege Escalation 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. SOLUTION¶ Feb 22, 2022 · The remote H2 database is affected by a remote code execution vulnerability by allowing JNDI lookup on user-supplied data. properties in your user home directory. The CREATE ALIAS function calls Java code, allowing an attacker to execute arbitrary Java code on projects running the h2 Aug 16, 2023 · A valid database connection is required. If the database engine was configured to allow creation of databases, the module default can be used which utilizes an in memory database. Its homepage is H2 Database Engine. From a program, I created a H2 database without specifying any user or password in the JDBC URL. 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. Affected versions of this package are vulnerable to Remote Code Execution (RCE). x and achieve RCE via deserialization. When large, unoptimized queries are running across our databases with 100s of thousands or millions of rows, all other database operations would stop. The Console lets you access a SQL database using a browser interface. 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. x, the database file <databaseName>. If you distribute a binary that includes H2, you need to add a disclaimer of liability - see the example below. 3. Searching in Exploit Database for this service, we can see there is a code execution vulnerability. Vulnerabilities without MongoDB is an open source document-oriented database system. For that reason I have to stop the H2 database beforehand and restart in again afterwards. 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. edcqk sbe courqj ynbantll jopif guwz rxnoa jeicobm bmhzj xvp