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NULL Pointer Dereference The advisory has been revoked - it doesn't affect any version of package apache2  (opens in a new tab)

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Exploit Maturity
Proof of Concept
EPSS
55.61% (99th percentile)

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  • Snyk IDSNYK-UBUNTU1804-APACHE2-613268
  • published10 Sept 2020
  • 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)

Amendment

The Ubuntu security team deemed this advisory irrelevant for Ubuntu:18.04.

NVD Description

Note: Versions mentioned in the description apply only to the upstream apache2 package and not the apache2 package as distributed by Ubuntu.

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).

References