CVE-2011-2529

NameCVE-2011-2529
Descriptionchan_sip.c in the SIP channel driver in Asterisk Open Source 1.6.x before 1.6.2.18.1 and 1.8.x before 1.8.4.3 does not properly handle '\0' characters in SIP packets, which allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via a crafted packet.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-2276-1, DSA-2276-2
NVD severitymedium (attack range: remote)
Debian Bugs631446

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
asterisk (PTS)wheezy1:1.8.13.1~dfsg1-3+deb7u3fixed
wheezy (security)1:1.8.13.1~dfsg1-3+deb7u7fixed
jessie (security), jessie1:11.13.1~dfsg-2+deb8u4fixed
stretch (security), stretch1:13.14.1~dfsg-2+deb9u2fixed
buster1:13.18.1~dfsg-1fixed
sid1:13.18.3~dfsg-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
asterisksource(unstable)1:1.8.4.3-1medium631446
asterisksourcelenny1:1.4.21.2~dfsg-3+lenny3mediumDSA-2276-2
asterisksourcesqueeze1:1.6.2.9-2+squeeze3mediumDSA-2276-2

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