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 bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-2579-1
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
apache2 (PTS)jessie2.4.10-10+deb8u12fixed
jessie (security)2.4.10-10+deb8u16fixed
stretch (security), stretch2.4.25-3+deb9u9fixed
buster, buster (security)2.4.38-3+deb10u3fixed
bullseye, sid2.4.43-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
apache2source(unstable)2.2.22-1
apache2sourcesqueeze2.2.16-6+squeeze10DSA-2579-1

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