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-2011-2535

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-2011-2536

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-2011-2535

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-2011-2666

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

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...

Asterisk Remote Crash Vulnerability in Skinny Channel Driver (AST-2012-009)

Binary data 6510.prm...

Fedora 15 : asterisk-1.8.4.2-1.fc15.1 (2011-8319)

The Asterisk Development Team has announced the release of Asterisk version 1.8.4.2, which is a security release for Asterisk 1.8. This release is available for immediate download at http://downloads.asterisk.org/pub/telephony/asterisk/releases The release of Asterisk 1.8.4.2 resolves an issue wi...

DEBIAN-CVE-2011-2216

reqrespparser.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.4.2 does not initialize certain strings, which allows remote attackers to cause a denial of service NULL pointer dereference and daemon crash via a malformed Contact header...

CVE-2011-2216

reqrespparser.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.4.2 does not initialize certain strings, which allows remote attackers to cause a denial of service NULL pointer dereference and daemon crash via a malformed Contact header...

CVE-2011-2216

reqrespparser.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.4.2 does not initialize certain strings, which allows remote attackers to cause a denial of service NULL pointer dereference and daemon crash via a malformed Contact header...

CVE-2011-2216

reqrespparser.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.4.2 does not initialize certain strings, which allows remote attackers to cause a denial of service NULL pointer dereference and daemon crash via a malformed Contact header...

CVE-2011-2216

reqrespparser.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.4.2 does not initialize certain strings, which allows remote attackers to cause a denial of service NULL pointer dereference and daemon crash via a malformed Contact header...

AST-2011-007

Asterisk Project Security Advisory - AST-2011-007 +------------------------------------------------------------------------+ | Product | Asterisk | |---------------------+--------------------------------------------------| | Summary | Remote Crash Vulnerability in SIP channel driver |...

Asterisk SIP Channel Driver Denial of Service (AST-2011-007)

Binary data 5939.prm...

DSA-2171-1 asterisk - buffer overflow

Bulletin has no description...

Asterisk main/utils.c ast_uri_encode() CallerID Information Overflow (AST-2011-001)

Using a specially crafted caller ID string, an authenticated user placing an outgoing call through the remote Asterisk server can cause a buffer overflow leading to an application crash or execution of arbitrary code. Successful exploitation may require that the SIP channel driver is configured...

CVE-2011-0495

Stack-based buffer overflow in the asturiencode 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...

CVE-2011-0495

Stack-based buffer overflow in the asturiencode 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...