CVE-2013-1821

NameCVE-2013-1821
Descriptionlib/rexml/text.rb in the REXML parser in Ruby before 1.9.3-p392 allows remote attackers to cause a denial of service (memory consumption and crash) via crafted text nodes in an XML document, aka an XML Entity Expansion (XEE) attack.
SourceCVE (at NVD; oss-sec, fulldisc, OSVDB, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, more)
ReferencesDSA-2738-1, DSA-2809-1
NVD severitymedium (attack range: remote)
Debian Bugs702525, 702526
Debian/oldstablenot vulnerable.
Debian/stablenot vulnerable.
Debian/testingnot known to be vulnerable.
Debian/unstablenot known to be vulnerable.

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
ruby1.8 (PTS)squeeze (security), squeeze1.8.7.302-2squeeze2fixed
squeeze (lts)1.8.7.302-2squeeze3fixed
wheezy1.8.7.358-7.1+deb7u1fixed
wheezy (security)1.8.7.358-7.1+deb7u2fixed
ruby1.9.1 (PTS)squeeze (security), squeeze1.9.2.0-2+deb6u2fixed
wheezy1.9.3.194-8.1+deb7u2fixed
wheezy (security)1.9.3.194-8.1+deb7u3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
ruby1.8source(unstable)1.8.7.358-7medium702526
ruby1.8sourcesqueeze1.8.7.302-2squeeze2mediumDSA-2809-1
ruby1.8sourcewheezy1.8.7.358-7.1+deb7u1mediumDSA-2809-1
ruby1.9.1source(unstable)1.9.3.194-8.1medium702525
ruby1.9.1sourcesqueeze1.9.2.0-2+deb6u1mediumDSA-2738-1
ruby1.9.1sourcewheezy1.9.3.194-8.1+deb7u1mediumDSA-2738-1

Notes

http://www.ruby-lang.org/en/news/2013/02/22/rexml-dos-2013-02-22/

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