Integer Overflow or Wraparound Affecting haproxy package, versions <2.0.14-8.23.1


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
58.83% (100th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-SLES151-HAPROXY-2663567
  • published14 Apr 2022
  • disclosed29 Sept 2021

Introduced: 29 Sep 2021

CVE-2021-40346  (opens in a new tab)
CWE-190  (opens in a new tab)

How to fix?

Upgrade SLES:15.1 haproxy to version 2.0.14-8.23.1 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 SLES. See How to fix? for SLES:15.1 relevant fixed versions and status.

An integer overflow exists in HAProxy 2.0 through 2.5 in htx_add_header that can be exploited to perform an HTTP request smuggling attack, allowing an attacker to bypass all configured http-request HAProxy ACLs and possibly other ACLs.

References

CVSS Base Scores

version 3.1