CVE-2011-5036

NameCVE-2011-5036
DescriptionRack before 1.1.3, 1.2.x before 1.2.5, and 1.3.x before 1.3.6 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-2783-1
NVD severitymedium (attack range: remote)
Debian Bugs653963
Debian/oldoldstablenot vulnerable.
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
librack-ruby (PTS)squeeze, squeeze (security)1.1.0-4+squeeze2fixed
ruby-rack (PTS)wheezy1.4.1-2.1fixed
stretch, sid, jessie1.5.2-3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
librack-rubysource(unstable)(unfixed)medium
librack-rubysourcesqueeze1.1.0-4+squeeze1mediumDSA-2783-1
ruby-racksource(unstable)1.4.0-1medium653963

Notes

https://github.com/rack/rack/commit/5b9d09a81a9fdc9475f0ab0095cb2a33bf2a8f91

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