EUVD-2011-2649

Malware in sbrugna...

Debian DSA-2493-1 : asterisk - denial of service

Several vulnerabilities were discovered in Asterisk, a PBX and telephony toolkit. - CVE-2012-2947 The IAX2 channel driver allows remote attackers to cause a denial of service daemon crash by placing a call on hold when a certain mohinterpret setting is enabled. - CVE-2012-2948 The Skinny channel...

Exploit for Asterisk Security Advisory AST-2011-013

A Metasploit module is attached that demonstrates how to enumerate Asterisk sip peers that have a nat setting different to the global sip nat setting as described in Asterisk Security Advisory AST-2011-013. The example below finds all peers with nat=yes, but the metasploit module will also work...

SIP Username Enumerator For Asterisk

require 'msf/core' class Metasploit3 'SIP Username Enumerator for Asterisk UDP Security Advisory AST-2011-013, CVE-2011-4597', 'Version' = '$Revision: 1 $', 'Description' = 'REGISTER scan for numeric peer usernames having a nat setting different to global sip nat setting. ' 'Ben Williams',...

DEBIAN-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

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-2011-2536

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...

AST-2011-011: Possible enumeration of SIP users due to differing authentication responses

Asterisk Project Security Advisory - AST-2011-011 +------------------------------------------------------------------------+ | Product | Asterisk | |--------------------+---------------------------------------------------| | Summary | Possible enumeration of SIP users due to | | | differing...