Allocation of Resources Without Limits or Throttling Affecting apache2 package, versions <2.4.54-2ubuntu1


Severity

Recommended
medium

Based on Ubuntu security rating

    Threat Intelligence

    EPSS
    2.43% (91st percentile)

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  • Snyk ID SNYK-UBUNTU2210-APACHE2-3065008
  • published 10 Jun 2022
  • disclosed 9 Jun 2022

How to fix?

Upgrade Ubuntu:22.10 apache2 to version 2.4.54-2ubuntu1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream apache2 package and not the apache2 package as distributed by Ubuntu. See How to fix? for Ubuntu:22.10 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
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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