HIGH 7.2 Microsoft
CVE-2023-40225
HAProxy through 2.0.32 2.1.x and 2.2.x through 2.2.30 2.3.x and 2.4.x through 2.4.23 2.5.x and 2.6.x before 2.6.15 2.7.x before 2.7.10 and 2.8.x before 2.8.2 forwards empty Content-Length headers violating RFC 9110 section 8.6. In uncommon cases an HTTP/1 server behind HAProxy may interpret the payload as an extra request.
Microsoft Security Update 2023-Aug: HAProxy through 2.0.32 2.1.x and 2.2.x through 2.2.30 2.3.x and 2.4.x through 2.4.23 2.5.x and 2.6.x before 2.6.15 2.7.x before 2.7.10 and 2.8.x before 2.8.2 forwards empty Content-Length headers violating RFC 9110 section 8.6. In uncommon cases an HTTP/1 server behind HAProxy may interpret the payload as an extra request.
Affected Products
- cbl2 haproxy 2.4.24-1 on CBL Mariner 2.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-40225
- https://nvd.nist.gov/vuln/detail/CVE-2023-40225
This high severity vulnerability with a CVSS score of 7.2 was published on 2023-08-08 via Microsoft. Affected: cbl2 haproxy 2.4.24-1 on CBL Mariner 2.0.
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