CVE-2011-4598

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CVE-2011-4598

Summary:

Details: The handle_request_info function in channels/chan_sip.c in Asterisk Open Source 1.6.2.x before 1.6.2.21 and 1.8.x before 1.8.7.2, when automon is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted sequence of SIP requests.

References: http://secunia.com/advisories/47273, http://www.debian.org/security/2011/dsa-2367, http://downloads.asterisk.org/pub/security/AST-2011-014.html, http://openwall.com/lists/oss-security/2011/12/09/3, http://openwall.com/lists/oss-security/2011/12/09/4, http://osvdb.org/77598