{"id":"UBUNTU-CVE-2023-27596","details":"OpenSIPS is a Session Initiation Protocol (SIP) server implementation. Prior to versions 3.1.8 and 3.2.5, OpenSIPS crashes when a malformed SDP body is sent multiple times to an OpenSIPS configuration that makes use of the `stream_process` function. This issue was discovered during coverage guided fuzzing of the function `codec_delete_except_re`. By abusing this vulnerability, an attacker is able to crash the server. It affects configurations containing functions that rely on the affected code, such as the function `codec_delete_except_re`. This issue has been fixed in version 3.1.8 and 3.2.5.","modified":"2025-10-24T05:01:52Z","published":"2023-03-15T21:15:00Z","upstream":["CVE-2023-27596"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-27596"},{"type":"REPORT","url":"https://github.com/OpenSIPS/opensips/security/advisories/GHSA-3ghx-j39m-cw4f"},{"type":"REPORT","url":"https://github.com/OpenSIPS/opensips/commit/dd051f8ed5ae3347fb1d556ced3c97822c9d8450"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2023-27596"}],"affected":[{"package":{"name":"opensips","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/opensips@2.2.2-3build4?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.2.2-3build2","2.2.2-3build3","2.2.2-3build4"],"ecosystem_specific":{"binaries":[{"binary_name":"opensips","binary_version":"2.2.2-3build4"},{"binary_name":"opensips-b2bua-module","binary_version":"2.2.2-3build4"},{"binary_name":"opensips-berkeley-bin","binary_version":"2.2.2-3build4"},{"binary_version":"2.2.2-3build4","binary_name":"opensips-berkeley-module"},{"binary_name":"opensips-carrierroute-module","binary_version":"2.2.2-3build4"},{"binary_name":"opensips-compression-module","binary_version":"2.2.2-3build4"},{"binary_version":"2.2.2-3build4","binary_name":"opensips-console"},{"binary_version":"2.2.2-3build4","binary_name":"opensips-cpl-module"},{"binary_name":"opensips-dbhttp-module","binary_version":"2.2.2-3build4"},{"binary_name":"opensips-dialplan-module","binary_version":"2.2.2-3build4"},{"binary_name":"opensips-emergency-module","binary_version":"2.2.2-3build4"},{"binary_name":"opensips-geoip-module","binary_version":"2.2.2-3build4"},{"binary_name":"opensips-http-modules","binary_version":"2.2.2-3build4"},{"binary_name":"opensips-identity-module","binary_version":"2.2.2-3build4"},{"binary_name":"opensips-jabber-module","binary_version":"2.2.2-3build4"},{"binary_name":"opensips-json-module","binary_version":"2.2.2-3build4"},{"binary_name":"opensips-ldap-modules","binary_version":"2.2.2-3build4"},{"binary_name":"opensips-lua-module","binary_version":"2.2.2-3build4"},{"binary_name":"opensips-memcached-module","binary_version":"2.2.2-3build4"},{"binary_name":"opensips-mysql-module","binary_version":"2.2.2-3build4"},{"binary_name":"opensips-perl-modules","binary_version":"2.2.2-3build4"},{"binary_name":"opensips-postgres-module","binary_version":"2.2.2-3build4"},{"binary_version":"2.2.2-3build4","binary_name":"opensips-presence-modules"},{"binary_name":"opensips-rabbitmq-module","binary_version":"2.2.2-3build4"},{"binary_name":"opensips-radius-modules","binary_version":"2.2.2-3build4"},{"binary_name":"opensips-redis-module","binary_version":"2.2.2-3build4"},{"binary_name":"opensips-regex-module","binary_version":"2.2.2-3build4"},{"binary_name":"opensips-restclient-module","binary_version":"2.2.2-3build4"},{"binary_name":"opensips-sctp-module","binary_version":"2.2.2-3build4"},{"binary_name":"opensips-snmpstats-module","binary_version":"2.2.2-3build4"},{"binary_name":"opensips-sqlite-module","binary_version":"2.2.2-3build4"},{"binary_name":"opensips-tls-module","binary_version":"2.2.2-3build4"},{"binary_name":"opensips-tlsmgm-module","binary_version":"2.2.2-3build4"},{"binary_name":"opensips-unixodbc-module","binary_version":"2.2.2-3build4"},{"binary_name":"opensips-wss-module","binary_version":"2.2.2-3build4"},{"binary_name":"opensips-xmlrpc-module","binary_version":"2.2.2-3build4"},{"binary_name":"opensips-xmpp-module","binary_version":"2.2.2-3build4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-27596.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}