Resource Exhaustion Affecting httpd:2.4/mod_session package, versions <0:2.4.37-43.module+el8.5.0+13806+b30d9eec.1


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

Exploit Maturity
Mature
EPSS
13.05% (96th 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 Learn

Learn about Resource Exhaustion vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-RHEL8-HTTPD-4176954
  • published22 Dec 2021
  • disclosed20 Dec 2021

Introduced: 20 Dec 2021

CVE-2021-44790  (opens in a new tab)
CWE-400  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade RHEL:8 httpd:2.4/mod_session to version 0:2.4.37-43.module+el8.5.0+13806+b30d9eec.1 or higher.
This issue was patched in RHSA-2022:0258.

NVD Description

Note: Versions mentioned in the description apply only to the upstream httpd:2.4/mod_session package and not the httpd:2.4/mod_session package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

A carefully crafted request body can cause a buffer overflow in the mod_lua multipart parser (r:parsebody() called from Lua scripts). The Apache httpd team is not aware of an exploit for the vulnerabilty though it might be possible to craft one. This issue affects Apache HTTP Server 2.4.51 and earlier.

References

CVSS Scores

version 3.1