CVE-2009-2958

NameCVE-2009-2958
DescriptionThe tftp_request function in tftp.c in dnsmasq before 2.50, when --enable-tftp is used, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a TFTP read (aka RRQ) request with a malformed blksize option.
SourceCVE (at NVD; oss-sec, fulldisc, OSVDB, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, more)
ReferencesDSA-1876-1
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
dnsmasq (PTS)squeeze2.55-2fixed
wheezy2.62-3+deb7u1fixed
jessie, sid2.72-3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
dnsmasqsource(unstable)2.50-1medium
dnsmasqsourceetch(not affected)
dnsmasqsourcelenny2.45-1+lenny1mediumDSA-1876-1

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