Information Exposure Affecting haproxy package, versions <0:2.4.22-1.el9


Severity

Recommended
medium

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
1.2% (65th percentile)

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  • Snyk IDSNYK-ORACLE9-HAPROXY-6064192
  • published17 Nov 2023
  • disclosed29 Mar 2023

Introduced: 29 Mar 2023

CVE-2023-0836  (opens in a new tab)
CWE-200  (opens in a new tab)
CWE-459  (opens in a new tab)

How to fix?

Upgrade Oracle:9 haproxy to version 0:2.4.22-1.el9 or higher.
This issue was patched in ELSA-2023-6496.

NVD Description

Note: Versions mentioned in the description apply only to the upstream haproxy package and not the haproxy package as distributed by Oracle. See How to fix? for Oracle: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