CVSS: 5.3EPSS: 2%CPEs: 16EXPL: 1CVE-2020-28327
https://notcve.org/view.php?id=CVE-2020-28327
06 Nov 2020 — A res_pjsip_session crash was discovered in Asterisk Open Source 13.x before 13.37.1, 16.x before 16.14.1, 17.x before 17.8.1, and 18.x before 18.0.1. and Certified Asterisk before 16.8-cert5. Upon receiving a new SIP Invite, Asterisk did not return the created dialog locked or referenced. This caused a gap between the creation of the dialog object, and its next use by the thread that created it. Depending on some off-nominal circumstances and timing, it was possible for another thread to free said dialog i... • http://downloads.asterisk.org/pub/security/AST-2020-001.html • CWE-404: Improper Resource Shutdown or Release •
CVSS: 6.5EPSS: 0%CPEs: 7EXPL: 0CVE-2020-28242
https://notcve.org/view.php?id=CVE-2020-28242
06 Nov 2020 — An issue was discovered in Asterisk Open Source 13.x before 13.37.1, 16.x before 16.14.1, 17.x before 17.8.1, and 18.x before 18.0.1 and Certified Asterisk before 16.8-cert5. If Asterisk is challenged on an outbound INVITE and the nonce is changed in each response, Asterisk will continually send INVITEs in a loop. This causes Asterisk to consume more and more memory since the transaction will never terminate (even if the call is hung up), ultimately leading to a restart or shutdown of Asterisk. Outbound aut... • http://downloads.asterisk.org/pub/security/AST-2020-002.html • CWE-674: Uncontrolled Recursion •