Out-of-bounds Write Affecting httpd:2.4/mod_md package, versions <1:2.0.8-8.module_el8.6.0+2872+fe0ff7aa


Severity

Recommended
high

Based on AlmaLinux security rating

    Threat Intelligence

    Exploit Maturity
    Mature
    EPSS
    13.05% (96th percentile)

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  • Snyk ID SNYK-ALMALINUX8-HTTPD-5634418
  • published 28 May 2023
  • disclosed 25 Jan 2022

How to fix?

Upgrade AlmaLinux:8 httpd:2.4/mod_md to version 1:2.0.8-8.module_el8.6.0+2872+fe0ff7aa or higher.
This issue was patched in ALSA-2022:0258.

NVD Description

Note: Versions mentioned in the description apply only to the upstream httpd:2.4/mod_md package and not the httpd:2.4/mod_md package as distributed by AlmaLinux. See How to fix? for AlmaLinux: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
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NVD

9.8 critical
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High
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SUSE

9.8 critical
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Red Hat

9.8 critical