286 matches found
AST-2012-006: Remote Crash Vulnerability in SIP Channel Driver
Asterisk Project Security Advisory - AST-2012-006 Product Asterisk Summary Remote Crash Vulnerability in SIP Channel Driver Nature of Advisory Remote Crash Susceptibility Remote Authenticated Sessions Severity Moderate Exploits Known No Reported On April 16, 2012 Reported By Thomas Arimont Posted...
Digium Asterisk SIP Channel Driver Denial Of Service (CVE-2011-4063)
A denial of service vulnerability has been reported in Digium Asterisk. The vulnerability is due to an error in Asterisk's SIP channel driver while handling malformed REGISTER requests. A remote attacker may exploit this vulnerability by sending a specially crafted REGISTER request to an affected...
CVE-2011-4063
chansip.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.7.1 and 10.x before 10.0.0-rc1 does not properly initialize variables during request parsing, which allows remote authenticated users to cause a denial of service daemon crash via a malformed request...
Design/Logic Flaw
chansip.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.7.1 and 10.x before 10.0.0-rc1 does not properly initialize variables during request parsing, which allows remote authenticated users to cause a denial of service daemon crash via a malformed request...
CVE-2011-4063
chansip.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.7.1 and 10.x before 10.0.0-rc1 does not properly initialize variables during request parsing, which allows remote authenticated users to cause a denial of service daemon crash via a malformed request...
CVE-2011-4063
chansip.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.7.1 and 10.x before 10.0.0-rc1 does not properly initialize variables during request parsing, which allows remote authenticated users to cause a denial of service daemon crash via a malformed request...
CVE-2011-4063
CVE-2011-4063 affects Asterisk Open Source 1.8.x (before 1.8.7.1) and 10.x (before 10.0.0-rc1). The SIP channel driver (chan_sip.c) does not properly initialize variables during request parsing, allowing remote authenticated users to trigger a denial-of-service and cause the daemon to crash. Miti...
CVE-2011-4063
chansip.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.7.1 and 10.x before 10.0.0-rc1 does not properly initialize variables during request parsing, which allows remote authenticated users to cause a denial of service daemon crash via a malformed request...
asterisk -- remote crash vulnerability in SIP channel driver
Asterisk project reports: A remote authenticated user can cause a crash with a malformed request due to an unitialized variable...
Debian DSA-2276-1 : asterisk - multiple denial of service
Paul Belanger reported a vulnerability in Asterisk identified as AST-2011-008CVE-2011-2529 through which an unauthenticated attacker may crash an Asterisk server remotely. A package containing a NULL char causes the SIP header parser to alter unrelated memory structures. Jared Mauch reported a...
CVE-2011-2536
chansip.c in the SIP channel driver in Asterisk Open Source 1.4.x before 1.4.41.2, 1.6.2.x before 1.6.2.18.2, and 1.8.x before 1.8.4.4, and Asterisk Business Edition C.3.x before C.3.7.3, disregards the alwaysauthreject option and generates different responses for invalid SIP requests depending o...
CVE-2011-2529
chansip.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 crafte...
CVE-2011-2666
The default configuration of the SIP channel driver in Asterisk Open Source 1.4.x through 1.4.41.2 and 1.6.2.x through 1.6.2.18.2 does not enable the alwaysauthreject option, which allows remote attackers to enumerate account names by making a series of invalid SIP requests and observing the...
CVE-2011-2529
chansip.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 crafte...
CVE-2011-2665
reqrespparser.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.4.3 allows remote attackers to cause a denial of service NULL pointer dereference and daemon crash via a SIP packet with a Contact header that lacks a less than character...
CVE-2011-2666
The default configuration of the SIP channel driver in Asterisk Open Source 1.4.x through 1.4.41.2 and 1.6.2.x through 1.6.2.18.2 does not enable the alwaysauthreject option, which allows remote attackers to enumerate account names by making a series of invalid SIP requests and observing the...
Code injection
chansip.c in the SIP channel driver in Asterisk Open Source 1.4.x before 1.4.41.2, 1.6.2.x before 1.6.2.18.2, and 1.8.x before 1.8.4.4, and Asterisk Business Edition C.3.x before C.3.7.3, disregards the alwaysauthreject option and generates different responses for invalid SIP requests depending o...
CVE-2011-2535
chaniax2.c in the IAX2 channel driver in Asterisk Open Source 1.4.x before 1.4.41.1, 1.6.2.x before 1.6.2.18.1, and 1.8.x before 1.8.4.3, and Asterisk Business Edition C.3 before C.3.7.3, accesses a memory address contained in an option control frame, which allows remote attackers to cause a deni...
CVE-2011-2529
chansip.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 crafte...