PT-2019-13165

Name of the Vulnerable Software and Affected Versions Asterisk Open Source versions 13.27.0 and earlier, 14.x, 15.x through 15.7.2, and 16.x through 16.4.0 Certified Asterisk version 13.21-cert3 Description An issue allows an attacker to crash Asterisk when handling an SDP answer to an outgoing...

CVE-2019-13161: NULL Pointer Dereference

An issue was discovered in Asterisk Open Source through 13.27.0, 14.x and 15.x through 15.7.2, and 16.x through 16.4.0, and Certified Asterisk through 13.21-cert3. A pointer dereference in chansip while handling SDP negotiation allows an attacker to crash Asterisk when handling an SDP answer to a...

sip-fraud.txt

SIP Digest Access Authentication RELAY-ATTACK for Toll-Fraud In this post, we would like to inform about a potential Authentication vulnerability in SIP, where all SIP equipments using Digest Access Authentication which can issue re-INVITEs are vulnerable. The problem lies in an attack scenario,...