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Vulnerability DatabaseCVE-2023-39174
CVE-2023-39174:
JetBrains TeamCity vulnerability analysis and mitigation
Overview
In JetBrains TeamCity versions before 2023.05.2, a Regular Expression Denial of Service (ReDoS) vulnerability was discovered that could be exploited through the integration with issue trackers. The vulnerability was assigned CVE-2023-39174 and was disclosed on July 25, 2023 (NVD, CVE).
Technical details
The vulnerability is classified as CWE-1333 (Inefficient Regular Expression Complexity). The CVSS v3.1 base score was assessed differently by various organizations: NIST rated it as HIGH (7.5) with vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H, while JetBrains rated it as MEDIUM (4.3) with vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L (NVD).
Impact
The vulnerability affects the availability of the system through a ReDoS attack vector, potentially causing service disruption when processing certain input patterns through the issue tracker integration (NVD).
Mitigation and workarounds
The vulnerability has been fixed in TeamCity version 2023.05.2. Users are advised to upgrade to this version or later to mitigate the risk (Vendor Advisory).
Additional resources
Source: This report was generated using AI
Related JetBrains TeamCity vulnerabilities:
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