Stack-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.
downloads.asterisk.org/pub/security/AST-2011-001-1.6.2.diff
downloads.asterisk.org/pub/security/AST-2011-001.html
lists.fedoraproject.org/pipermail/package-announce/2011-February/053689.html
lists.fedoraproject.org/pipermail/package-announce/2011-February/053713.html
osvdb.org/70518
secunia.com/advisories/42935
secunia.com/advisories/43119
secunia.com/advisories/43373
www.debian.org/security/2011/dsa-2171
www.securityfocus.com/archive/1/515781/100/0/threaded
www.securityfocus.com/bid/45839
www.vupen.com/english/advisories/2011/0159
www.vupen.com/english/advisories/2011/0281
www.vupen.com/english/advisories/2011/0449
exchange.xforce.ibmcloud.com/vulnerabilities/64831