CVE-2011-4858

NameCVE-2011-4858
DescriptionApache Tomcat before 5.5.35, 6.x before 6.0.35, and 7.x before 7.0.23 computes hash values for form parameters without restricting the ability to trigger hash collisions predictably, which allows remote attackers to cause a denial of service (CPU consumption) by sending many crafted parameters.
SourceCVE (at NVD; oss-sec, fulldisc, OSVDB, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, more)
ReferencesDSA-2401-1
NVD severitymedium (attack range: remote)
Debian/oldstablenot vulnerable.
Debian/stablenot vulnerable.
Debian/testingnot vulnerable.
Debian/unstablenot vulnerable.

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
tomcat6 (PTS)squeeze (security), squeeze6.0.35-1+squeeze4fixed
squeeze (lts)6.0.41-2+squeeze6fixed
wheezy, wheezy (security)6.0.35-6+deb7u1fixed
jessie, sid6.0.41-3fixed
tomcat7 (PTS)wheezy, wheezy (security)7.0.28-4+deb7u1fixed
jessie, sid7.0.56-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
tomcat5source(unstable)(unfixed)medium
tomcat6source(unstable)6.0.35-1medium
tomcat6sourcesqueeze6.0.35-1+squeeze2mediumDSA-2401-1
tomcat7source(unstable)7.0.26-1medium

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