{"id":"CVE-2013-5642","aliases":["DEBIAN-CVE-2013-5642","DSA-2749-1","EUVD-2013-5482","GHSA-mj2h-m66w-4g7r","MGASA-2013-0266","UBUNTU-CVE-2013-5642"],"status":"published","title":"The SIP channel driver (channels/chan_sip.c) in Asterisk Open Source 1.8.x before 1.8.23.1, 10.x...","description":"The SIP channel driver (channels/chan_sip.c) in Asterisk Open Source 1.8.x before 1.8.23.1, 10.x before 10.12.3, and 11.x before 11.5.1; Certified Asterisk 1.8.15 before 1.8.15-cert3 and 11.2 before 11.2-cert2; and Asterisk Digiumphones 10.x-digiumphones before 10.12.3-digiumphones allows remote attackers to cause a denial of service (NULL pointer dereference, segmentation fault, and daemon crash) via an invalid SDP that defines a media description before the connection description in a SIP request.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.11653,"percentile":0.96079,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20"],"published":"2013-08-30T17:36:06Z","modified":"2026-09-01T20:03:18Z","fixes":[{"ecosystem":"Debian:14","package":"asterisk","fixed_in":["1:11.5.1~dfsg-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:14","package":"asterisk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:11.5.1~dfsg-1"}]}],"versions":["0.1.11-3","0.1.11-3woody1","1:1.0.5-2","1:1.0.5-4","1:1.0.6-1","1:1.0.6-2","1:1.0.7-1","1:1.0.7.dfsg.1-1","1:1.0.7.dfsg.1-2","1:1.0.7.dfsg.1-2sarge1","1:1.0.7.dfsg.1-2sarge2","1:1.0.7.dfsg.1-2sarge3","1:1.0.7.dfsg.1-2sarge4","1:1.0.7.dfsg.1-2sarge5","1:1.0.7.dfsg.1-2sarge6","1:1.0.9.dfsg-1","1:1.0.9.dfsg-3","1:1.0.9.dfsg-4","1:1.0.9.dfsg-5","1:1.0.9.dfsg-6","1:1.2.0-beta1.dfsg-1","1:1.2.0-beta2.dfsg-1","1:1.2.0-beta2.dfsg-2","1:1.2.0-beta2.dfsg-3","1:1.2.0-rc1.dfsg-1","1:1.2.0-rc2.dfsg-1","1:1.2.0.dfsg-1","1:1.2.0.dfsg-2","1:1.2.0.dfsg-3","1:1.2.0.dfsg-4","1:1.2.0.dfsg-5","1:1.2.0.dfsg-6","1:1.2.1.dfsg-1","1:1.2.1.dfsg-2","1:1.2.1.dfsg-3","1:1.2.10.dfsg-1","1:1.2.10.dfsg-1bpo1","1:1.2.10.dfsg-2","1:1.2.10.dfsg-3","1:1.2.11.dfsg-1","1:1.2.12.1.dfsg-1","1:1.2.13~dfsg-1","1:1.2.13~dfsg-2","1:1.2.13~dfsg-2etch1","1:1.2.13~dfsg-2etch2","1:1.2.13~dfsg-2etch3","1:1.2.13~dfsg-2etch4","1:1.2.14~dfsg-1","1:1.2.14~dfsg-2","1:1.2.14~dfsg-3","1:1.2.14~dfsg-4","1:1.2.15~dfsg-1","1:1.2.16~dfsg-1","1:1.2.17~dfsg-1","1:1.2.4.dfsg-1","1:1.2.4.dfsg-2","1:1.2.4.dfsg-3","1:1.2.4.dfsg-4","1:1.2.4.dfsg-5","1:1.2.4.dfsg-6","1:1.2.4.dfsg-6+b1","1:1.2.4.dfsg-7","1:1.2.7.1.dfsg-1","1:1.2.7.1.dfsg-2","1:1.2.7.1.dfsg-3","1:1.2.9.1.dfsg-1","1:1.4.10~dfsg-1","1:1.4.11~dfsg-1","1:1.4.11~dfsg-2","1:1.4.11~dfsg-3","1:1.4.11~dfsg-4","1:1.4.13~dfsg-1","1:1.4.15~dfsg-1","1:1.4.16.2~dfsg-1","1:1.4.16.2~dfsg-2","1:1.4.17~dfsg-1","1:1.4.17~dfsg-2","1:1.4.18.1~dfsg-1","1:1.4.18~dfsg-1","1:1.4.19.1~dfsg-1","1:1.4.20~dfsg-1","1:1.4.21.1~dfsg-1","1:1.4.21.2~dfsg-1","1:1.4.21.2~dfsg-2","1:1.4.21.2~dfsg-3","1:1.4.21.2~dfsg-3+lenny1","1:1.4.21.2~dfsg-3+lenny2","1:1.4.21.2~dfsg-3+lenny2.1","1:1.4.21.2~dfsg-3+lenny3","1:1.4.21.2~dfsg-3+lenny5","1:1.4.21.2~dfsg-3+lenny6","1:1.4.21.2~dfsg-3.1","1:1.4.2~dfsg-1","1:1.4.2~dfsg-2","1:1.4.2~dfsg-3","1:1.4.2~dfsg-4","1:1.4.2~dfsg-5","1:1.4.3~dfsg-1","1:1.4.4~dfsg-1","1:1.4.4~dfsg-2","1:1.4.4~dfsg-3","1:1.4.5~dfsg-1","1:1.4.6~dfsg-1","1:1.4.8~dfsg-1","1:1.4.8~dfsg-2","1:1.4.9~dfsg-1","1:1.6.1.0~dfsg-1","1:1.6.1.0~dfsg~rc3-1","1:1.6.2.0-1","1:1.6.2.0~dfsg~beta3-1","1:1.6.2.0~dfsg~rc1-1","1:1.6.2.0~rc3-1","1:1.6.2.0~rc3-2","1:1.6.2.0~rc6-1","1:1.6.2.0~rc7-1","1:1.6.2.2-1","1:1.6.2.6-1","1:1.6.2.7-1","1:1.6.2.9-1","1:1.6.2.9-1~bpo50+1","1:1.6.2.9-1~bpo50+2","1:1.6.2.9-1~bpo50+3","1:1.6.2.9-2","1:1.6.2.9-2+squeeze1","1:1.6.2.9-2+squeeze10","1:1.6.2.9-2+squeeze11","1:1.6.2.9-2+squeeze12","1:1.6.2.9-2+squeeze2","1:1.6.2.9-2+squeeze3","1:1.6.2.9-2+squeeze4","1:1.6.2.9-2+squeeze5","1:1.6.2.9-2+squeeze6","1:1.6.2.9-2+squeeze7","1:1.6.2.9-2+squeeze8","1:1.6.2.9-2+squeeze9","1:1.8.10.0~dfsg-1","1:1.8.10.1~dfsg-1","1:1.8.11.1~dfsg-1","1:1.8.13.0~dfsg-1","1:1.8.13.0~dfsg-1~bpo60+1","1:1.8.13.1~dfsg-1","1:1.8.13.1~dfsg-1+powerpcspe1","1:1.8.13.1~dfsg-1~bpo60+1","1:1.8.13.1~dfsg-2","1:1.8.13.1~dfsg-3","1:1.8.3.3-1","1:1.8.4-1","1:1.8.4.2-1","1:1.8.4.3-1","1:1.8.4.4~dfsg-1","1:1.8.4.4~dfsg-2","1:1.8.7.1~dfsg-1","1:1.8.7.1~dfsg-2","1:1.8.7.1~dfsg-3","1:1.8.8.0~dfsg-1","1:1.8.8.2~dfsg-1"]},{"source":"osv","ecosystem":"Debian:6.0","package":"asterisk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.6.2.9-2+squeeze11"}]}],"versions":["1:1.6.2.9-2","1:1.6.2.9-2+squeeze1","1:1.6.2.9-2+squeeze10","1:1.6.2.9-2+squeeze2","1:1.6.2.9-2+squeeze3","1:1.6.2.9-2+squeeze4","1:1.6.2.9-2+squeeze5","1:1.6.2.9-2+squeeze6","1:1.6.2.9-2+squeeze7","1:1.6.2.9-2+squeeze8","1:1.6.2.9-2+squeeze9"],"bundled":2},{"source":"osv","ecosystem":"Debian:7","package":"asterisk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.8.13.1~dfsg-3+deb7u1"}]}],"versions":["1:1.8.13.1~dfsg-3"],"bundled":2},{"source":"osv","ecosystem":"Mageia:3","package":"asterisk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"11.5.1-1.mga3"}]}],"bundled":2}],"products":[{"vendor":"digium","product":"asterisk"},{"vendor":"digium","product":"asterisk_digiumphones"},{"vendor":"digium","product":"certified_asterisk"}],"references":[{"url":"http://secunia.com/advisories/54534","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory","advisory"]},{"url":"http://osvdb.org/96690","tags":["vdb-entry","x_refsource_OSVDB","x_transferred","web"]},{"url":"http://downloads.asterisk.org/pub/security/AST-2013-005.html","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory","advisory","fix","web","report"]},{"url":"http://secunia.com/advisories/54617","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"http://www.debian.org/security/2013/dsa-2749","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","advisory"]},{"url":"https://issues.asterisk.org/jira/browse/ASTERISK-22007","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://www.securitytracker.com/id/1028957","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","web"]},{"url":"http://www.securityfocus.com/bid/62022","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"http://archives.neohapsis.com/archives/bugtraq/2013-08/0174.html","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","web"]},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2013:223","tags":["vendor-advisory","x_refsource_MANDRIVA","x_transferred","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-5642"},{"url":"https://github.com/advisories/GHSA-mj2h-m66w-4g7r"},{"url":"https://security-tracker.debian.org/tracker/CVE-2013-5642","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2013-0266.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=11094","tags":["report"]},{"url":"http://downloads.asterisk.org/pub/security/AST-2013-004.html","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2013-5642","tags":["report"]},{"url":"http://www.openwall.com/lists/oss-security/2013/08/28","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2013-5642","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2013-5642","description":"The SIP channel driver (channels/chan_sip.c) in Asterisk Open Source 1.8.x before 1.8.23.1, 10.x before 10.12.3, and 11.x before 11.5.1; Certified Asterisk 1.8.15 before 1.8.15-cert3 and 11.2 before 11.2-cert2; and Asterisk Digiumphones 10.x-digiumphones before 10.12.3-digiumphones allows remote attackers to cause a denial of service (NULL pointer dereference, segmentation fault, and daemon crash) via an invalid SDP that defines a media description before the connection description in a SIP request.","status":"published","published":"2013-09-09T17:00:00Z","modified":"2024-08-06T17:15:21.608Z","updated_at":"2026-11-02T14:34:55.508771Z"}],"euvd":[{"id":"EUVD-2013-5482","description":"The SIP channel driver (channels/chan_sip.c) in Asterisk Open Source 1.8.x before 1.8.23.1, 10.x before 10.12.3, and 11.x before 11.5.1; Certified Asterisk 1.8.15 before 1.8.15-cert3 and 11.2 before 11.2-cert2; and Asterisk Digiumphones 10.x-digiumphones before 10.12.3-digiumphones allows remote attackers to cause a denial of service (NULL pointer dereference, segmentation fault, and daemon crash) via an invalid SDP that defines a media description before the connection description in a SIP request.","status":"published","published":"2013-09-09T17:00:00Z","modified":"2024-08-06T17:15:21Z","updated_at":"2026-11-03T01:56:28.709538Z"}],"ghsa":[{"id":"GHSA-mj2h-m66w-4g7r","title":"The SIP channel driver (channels/chan_sip.c) in Asterisk Open Source 1.8.x before 1.8.23.1, 10.x...","description":"The SIP channel driver (channels/chan_sip.c) in Asterisk Open Source 1.8.x before 1.8.23.1, 10.x before 10.12.3, and 11.x before 11.5.1; Certified Asterisk 1.8.15 before 1.8.15-cert3 and 11.2 before 11.2-cert2; and Asterisk Digiumphones 10.x-digiumphones before 10.12.3-digiumphones allows remote attackers to cause a denial of service (NULL pointer dereference, segmentation fault, and daemon crash) via an invalid SDP that defines a media description before the connection description in a SIP request.","status":"published","published":"2022-05-17T05:04:51Z","modified":"2023-01-28T05:03:04Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:43:54.031093Z"}],"nvd":[{"id":"CVE-2013-5642","description":"The SIP channel driver (channels/chan_sip.c) in Asterisk Open Source 1.8.x before 1.8.23.1, 10.x before 10.12.3, and 11.x before 11.5.1; Certified Asterisk 1.8.15 before 1.8.15-cert3 and 11.2 before 11.2-cert2; and Asterisk Digiumphones 10.x-digiumphones before 10.12.3-digiumphones allows remote attackers to cause a denial of service (NULL pointer dereference, segmentation fault, and daemon crash) via an invalid SDP that defines a media description before the connection description in a SIP request.","status":"published","published":"2013-09-09T17:55:06.267Z","modified":"2026-06-16T23:59:09.653Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:02:35.248411Z"}],"osv":[{"id":"CVE-2013-5642","description":"The SIP channel driver (channels/chan_sip.c) in Asterisk Open Source 1.8.x before 1.8.23.1, 10.x before 10.12.3, and 11.x before 11.5.1; Certified Asterisk 1.8.15 before 1.8.15-cert3 and 11.2 before 11.2-cert2; and Asterisk Digiumphones 10.x-digiumphones before 10.12.3-digiumphones allows remote attackers to cause a denial of service (NULL pointer dereference, segmentation fault, and daemon crash) via an invalid SDP that defines a media description before the connection description in a SIP request.","status":"published","published":"2013-09-09T17:55:06Z","modified":"2026-04-16T06:22:25.126771765Z","updated_at":"2026-11-02T15:43:59.09154Z"},{"id":"DEBIAN-CVE-2013-5642","description":"The SIP channel driver (channels/chan_sip.c) in Asterisk Open Source 1.8.x before 1.8.23.1, 10.x before 10.12.3, and 11.x before 11.5.1; Certified Asterisk 1.8.15 before 1.8.15-cert3 and 11.2 before 11.2-cert2; and Asterisk Digiumphones 10.x-digiumphones before 10.12.3-digiumphones allows remote attackers to cause a denial of service (NULL pointer dereference, segmentation fault, and daemon crash) via an invalid SDP that defines a media description before the connection description in a SIP request.","status":"published","published":"2013-09-09T17:55:06.267Z","modified":"2026-09-01T20:03:18.557774751Z","updated_at":"2026-11-02T15:45:25.819707Z"},{"id":"DSA-2749-1","title":"asterisk - several","status":"published","published":"2013-09-02T00:00:00Z","modified":"2026-03-09T01:18:43.156285Z","updated_at":"2026-11-02T15:46:15.489951Z"},{"id":"MGASA-2013-0266","title":"Updated asterisk package fixes security vulnerabilities","description":"A remotely exploitable crash vulnerability exists in the SIP channel\ndriver if an ACK with SDP is received after the channel has been\nterminated. The handling code incorrectly assumes that the channel\nwill always be present (CVE-2013-5641).\n\nA remotely exploitable crash vulnerability exists in the SIP channel\ndriver if an invalid SDP is sent in a SIP request that defines media\ndescriptions   before connection information. The handling code\nincorrectly attempts to reference the socket address information even\nthough that information has not yet been set (CVE-2013-5642).\n","status":"published","published":"2013-08-30T17:36:06Z","modified":"2026-04-16T06:23:00.005328511Z","updated_at":"2026-11-02T15:49:39.121227Z"},{"id":"UBUNTU-CVE-2013-5642","description":"The SIP channel driver (channels/chan_sip.c) in Asterisk Open Source 1.8.x before 1.8.23.1, 10.x before 10.12.3, and 11.x before 11.5.1; Certified Asterisk 1.8.15 before 1.8.15-cert3 and 11.2 before 11.2-cert2; and Asterisk Digiumphones 10.x-digiumphones before 10.12.3-digiumphones allows remote attackers to cause a denial of service (NULL pointer dereference, segmentation fault, and daemon crash) via an invalid SDP that defines a media description before the connection description in a SIP request.","status":"withdrawn","published":"2013-09-09T17:55:00Z","modified":"2025-07-16T08:10:48.36762Z","updated_at":"2026-11-02T15:54:07.421078Z"}]}}