4016 matches found
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...
Default configuration
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-2011-2666
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...
Memory corruption
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-2011-2529
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-2011-2665
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-2011-2665
Summary: CVE-2011-2665 affects Asterisk Open Source 1.8.x prior to 1.8.4.3. The SIP channel driver’s reqresp_parser.c contains a flaw where a SIP packet with a Contact header lacking a left angle bracket (
CVE-2011-2536
CVE-2011-2536 (Asterisk) affects Asterisk Open Source 1.4.x < 1.4.41.2, 1.6.2.x < 1.6.2.18.2, 1.8.x < 1.8.4.4, and Asterisk Business Edition C.3.x
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-2011-2536
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-2011-2666
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-2011-2666
CVE-2011-2666 affects Asterisk Open Source SIP channel, where the default configuration does not enable the alwaysauthreject option in the SIP channel driver. This allows remote attackers to enumerate account names by sending a series of invalid SIP requests and observing differences in responses...
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-2011-2535
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-2011-2535
CVE-2011-2535 affects 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), plus Asterisk Business Edition C.3 (before C.3.7.3). The flaw is in chan_iax2.c (IAX2 channel driver) where an option frame can be used to access a memory address, enabling...
CVE-2011-2529
CVE-2011-2529 affects Asterisk Open Source: chan_sip.c in the SIP channel driver fails to properly handle '\0' characters in SIP packets, allowing remote attackers to trigger memory corruption and possibly cause a denial of service (and other impact). Affected are Asterisk 1.6.x before 1.6.2.18.1...
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...
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...