Critical JetBrains TeamCity Flaw Could Expose Source Code and Build Pipelines to Attackers
Sep 26, 2023
Vulnerability / Source Code
A critical security vulnerability in the JetBrains TeamCity continuous integration and continuous deployment (CI/CD) software could be exploited by unauthenticated attackers to achieve remote code execution on affected systems. The flaw, tracked as CVE-2023-42793 , carries a CVSS score of 9.8 and has been addressed in TeamCity version 2023.05.4 following responsible disclosure on September 6, 2023. "Attackers could leverage this access to steal source code, service secrets, and private keys, take control over attached build agents, and poison build artifacts," Sonar security researcher Stefan Schiller said in a report last week. Successful exploitation of the bug could also permit threat actors to access the build pipelines and inject arbitrary code, leading to an integrity breach and supply chain compromise. It's worth noting that the shortcoming only affects on-premise versions of the JetBrains software. The TeamCity Cloud version has already been updated wit