January 28, 2024 at 12:17PM
Multiple proof-of-concept (PoC) exploits for a critical Jenkins vulnerability allowing unauthenticated attackers to access arbitrary files have been made public. SonarSource discovered two flaws, one granting unauthorized file reading and the other enabling arbitrary command execution. Jenkins released fixes with advisory and PoCs have been created, with reported active attacks.
Based on the meeting notes, the key takeaways are:
1. Multiple proof-of-concept (PoC) exploits for critical vulnerabilities in Jenkins have been made public, allowing unauthenticated attackers to read arbitrary files and execute arbitrary CLI commands.
2. Jenkins is widely used in software development for Continuous Integration (CI) and Continuous Deployment (CD) and is an open-source automation server.
3. SonarSource researchers discovered two critical flaws in Jenkins, CVE-2024-23897 and CVE-2024-23898, which allow unauthorized access to data and execution of arbitrary CLI commands.
4. Jenkins released fixes for the two flaws with versions 2.442 and LTS 2.426.3 on January 24, 2024, and published an advisory with details on attack scenarios, fix descriptions, and possible workarounds for those unable to apply the security updates.
5. Researchers have reproduced attack scenarios and created working PoC exploits for CVE-2024-23897, with reports of attackers actively exploiting the vulnerabilities in the wild.
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