CVE-2018-8011

NameCVE-2018-8011
DescriptionBy 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).
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs904107

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
apache2 (PTS)buster2.4.38-3+deb10u8fixed
buster (security)2.4.38-3+deb10u10fixed
bullseye2.4.56-1~deb11u2fixed
bullseye (security)2.4.56-1~deb11u1fixed
bookworm2.4.57-2fixed
sid, trixie2.4.58-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
apache2sourcejessie(not affected)
apache2sourcestretch(not affected)
apache2source(unstable)2.4.34-1904107

Notes

[stretch] - apache2 <not-affected> (Vulnerable code not present; mod_md module)
[jessie] - apache2 <not-affected> (Vulnerable code not present; mod_md module)
https://www.openwall.com/lists/oss-security/2018/07/18/2
https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2018-8011

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