Allocation of Resources Without Limits or Throttling Affecting mod_ssl package, versions <1:2.4.53-7.el9


Severity

Recommended
medium

Based on AlmaLinux security rating

    Threat Intelligence

    EPSS
    28.77% (97th percentile)

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  • Snyk ID SNYK-ALMALINUX9-MODSSL-5656003
  • published 28 May 2023
  • disclosed 15 Nov 2022

How to fix?

Upgrade AlmaLinux:9 mod_ssl to version 1:2.4.53-7.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_ssl package and not the mod_ssl package as distributed by AlmaLinux. See How to fix? for AlmaLinux:9 relevant fixed versions and status.

If Apache HTTP Server 2.4.53 is configured to do transformations with mod_sed in contexts where the input to mod_sed may be very large, mod_sed may make excessively large memory allocations and trigger an abort.

CVSS Scores

version 3.1
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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
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SUSE

5.9 medium
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Red Hat

7.5 high