Source: asterisk X-Debbugs-CC: t...@security.debian.org Severity: grave Tags: security
Hi, The following vulnerability was published for asterisk. CVE-2023-27585[0]: | PJSIP is a free and open source multimedia communication library | written in C. A buffer overflow vulnerability in versions 2.13 and | prior affects applications that use PJSIP DNS resolver. It doesn't | affect PJSIP users who do not utilise PJSIP DNS resolver. This | vulnerability is related to CVE-2022-24793. The difference is that | this issue is in parsing the query record `parse_query()`, while the | issue in CVE-2022-24793 is in `parse_rr()`. A patch is available as | commit `d1c5e4d` in the `master` branch. A workaround is to disable | DNS resolution in PJSIP config (by setting `nameserver_count` to zero) | or use an external resolver implementation instead. https://github.com/pjsip/pjproject/security/advisories/GHSA-q9cp-8wcq-7pfr https://github.com/pjsip/pjproject/security/advisories/GHSA-p6g5-v97c-w5q4 https://github.com/pjsip/pjproject/commit/d1c5e4da5bae7f220bc30719888bb389c905c0c5 If you fix the vulnerability please also make sure to include the CVE (Common Vulnerabilities & Exposures) id in your changelog entry. For further information see: [0] https://security-tracker.debian.org/tracker/CVE-2023-27585 https://www.cve.org/CVERecord?id=CVE-2023-27585 Please adjust the affected versions in the BTS as needed.
