CVE-2011-0495

NameCVE-2011-0495
DescriptionStack-based buffer overflow in the ast_uri_encode function in main/utils.c in Asterisk Open Source before 1.4.38.1, 1.4.39.1, 1.6.1.21, 1.6.2.15.1, 1.6.2.16.1, 1.8.1.2, 1.8.2.; and Business Edition before C.3.6.2; when running in pedantic mode allows remote authenticated users to execute arbitrary code via crafted caller ID data in vectors involving the (1) SIP channel driver, (2) URIENCODE dialplan function, or (3) AGI dialplan function.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-2171-1
NVD severitymedium (attack range: remote)
Debian Bugs610487

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
jessie1:11.13.1~dfsg-2+deb8u2fixed
jessie (security)1:11.13.1~dfsg-2+deb8u4fixed
stretch1:13.14.1~dfsg-2+deb9u1fixed
stretch (security)1:13.14.1~dfsg-2+deb9u2fixed
buster, sid1:13.17.2~dfsg-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
asterisksource(unstable)1:1.6.2.9-2+squeeze1medium610487
asterisksourcelenny1:1.4.21.2~dfsg-3+lenny2mediumDSA-2171-1
asterisksourcesqueeze1:1.6.2.9-2+squeeze1mediumDSA-2171-1

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