CVE-2012-4557

NameCVE-2012-4557
DescriptionThe mod_proxy_ajp module in the Apache HTTP Server 2.2.12 through 2.2.21 places a worker node into an error state upon detection of a long request-processing time, which allows remote attackers to cause a denial of service (worker consumption) via an expensive request.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-2579-1
NVD severitymedium (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
apache2 (PTS)wheezy2.2.22-13+deb7u6fixed
wheezy (security)2.2.22-13+deb7u7fixed
jessie2.4.10-10+deb8u7fixed
jessie (security)2.4.10-10+deb8u5fixed
stretch, sid2.4.23-8fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
apache2source(unstable)2.2.22-1medium
apache2sourcesqueeze2.2.16-6+squeeze10mediumDSA-2579-1

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