CVE-2011-0997

NameCVE-2011-0997
Descriptiondhclient in ISC DHCP 3.0.x through 4.2.x before 4.2.1-P1, 3.1-ESV before 3.1-ESV-R1, and 4.1-ESV before 4.1-ESV-R2 allows remote attackers to execute arbitrary commands via shell metacharacters in a hostname obtained from a DHCP message, as demonstrated by a hostname that is provided to dhclient-script.
SourceCVE (at NVD; oss-sec, fulldisc, OSVDB, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, more)
ReferencesDSA-2216-1, DSA-2217-1
NVD severityhigh (attack range: remote)
Debian Bugs621099
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
isc-dhcp (PTS)squeeze, squeeze (security)4.1.1-P1-15+squeeze8fixed
wheezy4.2.2.dfsg.1-5+deb70u6fixed
jessie4.3.1-6fixed
stretch, sid4.3.2-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
dhcp3source(unstable)(unfixed)high
dhcp3sourcelenny3.1.1-6+lenny5highDSA-2217-1
isc-dhcpsource(unstable)4.1.1-P1-16.1high621099
isc-dhcpsourcesqueeze4.1.1-P1-15+squeeze2highDSA-2216-1

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