Improper Encoding or Escaping of Output Affecting apache2-event package, versions <2.4.51-150400.6.29.1


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.04% (12th percentile)

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  • Snyk IDSNYK-SLES155-APACHE2EVENT-7575111
  • published31 Jul 2024
  • disclosed30 Jul 2024

Introduced: 30 Jul 2024

CVE-2024-38475  (opens in a new tab)
CWE-116  (opens in a new tab)

How to fix?

Upgrade SLES:15.5 apache2-event to version 2.4.51-150400.6.29.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream apache2-event package and not the apache2-event package as distributed by SLES. See How to fix? for SLES:15.5 relevant fixed versions and status.

Improper escaping of output in mod_rewrite in Apache HTTP Server 2.4.59 and earlier allows an attacker to map URLs to filesystem locations that are permitted to be served by the server but are not intentionally/directly reachable by any URL, resulting in code execution or source code disclosure.

Substitutions in server context that use a backreferences or variables as the first segment of the substitution are affected.  Some unsafe RewiteRules will be broken by this change and the rewrite flag "UnsafePrefixStat" can be used to opt back in once ensuring the substitution is appropriately constrained.

CVSS Scores

version 3.1