Allocation of Resources Without Limits or Throttling Affecting mod_session package, versions <0:2.4.53-7.el9


Severity

Recommended
medium

Based on AlmaLinux security rating

    Threat Intelligence

    EPSS
    2.43% (91st 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 ID SNYK-ALMALINUX9-MODSESSION-5655990
  • published 28 May 2023
  • disclosed 15 Nov 2022

How to fix?

Upgrade AlmaLinux:9 mod_session to version 0:2.4.53-7.el9 or higher.
This issue was patched in ALSA-2022:8067.

NVD Description

Note: Versions mentioned in the description apply only to the upstream mod_session package and not the mod_session package as distributed by AlmaLinux. See How to fix? for AlmaLinux:9 relevant fixed versions and status.

In Apache HTTP Server 2.4.53 and earlier, a malicious request to a lua script that calls r:parsebody(0) may cause a denial of service due to no default limit on possible input size.

CVSS Scores

version 3.1
Expand this section

NVD

7.5 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    None
  • Availability (A)
    High
Expand this section

SUSE

5.9 medium
Expand this section

Red Hat

7.5 high