Information Exposure Affecting haproxy package, versions [2.0.0,2.0.33)[2.2.0,2.2.31)[2.4.0,2.4.24)[2.6.0,2.6.15)[2.7.0,2.7.10)[2.8.0,2.8.2)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
1.53% (72nd 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-UNMANAGED-HAPROXY-6094982
  • published29 Nov 2023
  • disclosed28 Nov 2023
  • creditUnknown

Introduced: 28 Nov 2023

CVE-2023-45539  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade haproxy to version 2.0.33, 2.2.31, 2.4.24, 2.6.15, 2.7.10, 2.8.2 or higher.

Overview

Affected versions of this package are vulnerable to Information Exposure due to the misinterpretation of a path_end rule, an attacker can obtain sensitive information or have unspecified other impact by exploiting the acceptance of # as part of the URI component. This is only exploitable if the routing is to a static server.

CVSS Base Scores

version 3.1