NULL Pointer Dereference Affecting apache2 package, versions <2.4.34-r0

Q: How to fix?

Upgrade Alpine:3.20 apache2 to version 2.4.34-r0 or higher.

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94.89% (100^th percentile)

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Snyk IDSNYK-ALPINE320-APACHE2-7008079
published23 May 2024
disclosed18 Jul 2018

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Introduced: 18 Jul 2018

CVE-2018-8011 (opens in a new tab) CWE-476 (opens in a new tab)

How to fix?

Upgrade Alpine:3.20 apache2 to version 2.4.34-r0 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 Alpine. See How to fix? for Alpine:3.20 relevant fixed versions and status.

By specially crafting HTTP requests, the mod_md challenge handler would dereference a NULL pointer and cause the child process to segfault. This could be used to DoS the server. Fixed in Apache HTTP Server 2.4.34 (Affected 2.4.33).