CVE-2011-0420

NameCVE-2011-0420
DescriptionThe grapheme_extract function in the Internationalization extension (Intl) for ICU for PHP 5.3.5 allows context-dependent attackers to cause a denial of service (crash) via an invalid size argument, which triggers a NULL pointer dereference.
SourceCVE (at NVD; oss-sec, fulldisc, OSVDB, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, more)
ReferencesDSA-2266-1
NVD severitymedium (attack range: remote)
Debian/oldstablenot vulnerable.
Debian/stablepackage php5 is vulnerable.
Debian/testingpackage php5 is vulnerable.
Debian/unstablepackage php5 is vulnerable.

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
php5 (PTS)squeeze (security), squeeze5.3.3-7+squeeze19fixed
squeeze (lts)5.3.3-7+squeeze25fixed
wheezy5.4.36-0+deb7u1vulnerable
wheezy (security)5.4.39-0+deb7u2vulnerable
jessie, sid5.6.7+dfsg-1vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
php5source(unstable)(unfixed)unimportant
php5sourcelenny5.2.6.dfsg.1-1+lenny12mediumDSA-2266-1
php5sourcesqueeze5.3.3-7+squeeze3mediumDSA-2266-1

Notes

[lenny] - php5 <not-affected> (intl extension added in 5.3)
Only triggerable through malicious script
http://svn.php.net/viewvc?view=revision&revision=306449

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