Incomplete Cleanup Affecting haproxy package, versions <0:2.4.22-1.el9


Severity

Recommended
medium

Based on CentOS security rating.

Threat Intelligence

EPSS
0.18% (56th percentile)

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  • Snyk IDSNYK-CENTOS9-HAPROXY-3370564
  • published24 Mar 2023
  • disclosed9 Dec 2022

Introduced: 9 Dec 2022

CVE-2023-0836  (opens in a new tab)
CWE-459  (opens in a new tab)

How to fix?

Upgrade Centos:9 haproxy to version 0:2.4.22-1.el9 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream haproxy package and not the haproxy package as distributed by Centos. See How to fix? for Centos:9 relevant fixed versions and status.

An information leak vulnerability was discovered in HAProxy 2.1, 2.2 before 2.2.27, 2.3, 2.4 before 2.4.21, 2.5 before 2.5.11, 2.6 before 2.6.8, 2.7 before 2.7.1. There are 5 bytes left uninitialized in the connection buffer when encoding the FCGI_BEGIN_REQUEST record. Sensitive data may be disclosed to configured FastCGI backends in an unexpected way.

CVSS Base Scores

version 3.1