Asterisk is an open source private branch exchange and telephony toolkit. After upgrade to 18.23.0, ALL unauthorized SIP requests are identified as PJSIP Endpoint of local asterisk server. This vulnerability is fixed in 18.23.1, 20.8.1, and 21.3.1. https://github.com/asterisk/asterisk/commit/85241bd22936cc15760fd1f65d16c98be7aeaf6d https://github.com/asterisk/asterisk/pull/600 https://github.com/asterisk/asterisk/pull/602 https://github.com/asterisk/asterisk/security/advisories/GHSA-qqxj-v78h-hrf9
Created asterisk tracking bugs for this issue: Affects: epel-all [bug 2281496] Affects: fedora-all [bug 2281497]