{"containers":{"cna":{"affected":[{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}],"descriptions":[{"lang":"en","value":"An issue was discovered in Sangoma Asterisk 16.x before 16.16.1, 17.x before 17.9.2, and 18.x before 18.2.1 and Certified Asterisk before 16.8-cert6. When re-negotiating for T.38, if the initial remote response was delayed just enough, Asterisk would send both audio and T.38 in the SDP. If this happened, and the remote responded with a declined T.38 stream, then Asterisk would crash."}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2021-02-19T15:06:09.000Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","shortName":"mitre"},"references":[{"tags":["x_refsource_MISC"],"url":"https://downloads.asterisk.org/pub/security/"},{"name":"20210218 AST-2021-002: Remote crash possible when negotiating T.38","tags":["mailing-list","x_refsource_FULLDISC"],"url":"http://seclists.org/fulldisclosure/2021/Feb/58"},{"tags":["x_refsource_CONFIRM"],"url":"https://downloads.asterisk.org/pub/security/AST-2021-002.html"},{"tags":["x_refsource_CONFIRM"],"url":"https://issues.asterisk.org/jira/browse/ASTERISK-29203"},{"tags":["x_refsource_MISC"],"url":"http://packetstormsecurity.com/files/161471/Asterisk-Project-Security-Advisory-AST-2021-002.html"}],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2021-26717","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"An issue was discovered in Sangoma Asterisk 16.x before 16.16.1, 17.x before 17.9.2, and 18.x before 18.2.1 and Certified Asterisk before 16.8-cert6. When re-negotiating for T.38, if the initial remote response was delayed just enough, Asterisk would send both audio and T.38 in the SDP. If this happened, and the remote responded with a declined T.38 stream, then Asterisk would crash."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"https://downloads.asterisk.org/pub/security/","refsource":"MISC","url":"https://downloads.asterisk.org/pub/security/"},{"name":"20210218 AST-2021-002: Remote crash possible when negotiating T.38","refsource":"FULLDISC","url":"http://seclists.org/fulldisclosure/2021/Feb/58"},{"name":"https://downloads.asterisk.org/pub/security/AST-2021-002.html","refsource":"CONFIRM","url":"https://downloads.asterisk.org/pub/security/AST-2021-002.html"},{"name":"https://issues.asterisk.org/jira/browse/ASTERISK-29203","refsource":"CONFIRM","url":"https://issues.asterisk.org/jira/browse/ASTERISK-29203"},{"name":"http://packetstormsecurity.com/files/161471/Asterisk-Project-Security-Advisory-AST-2021-002.html","refsource":"MISC","url":"http://packetstormsecurity.com/files/161471/Asterisk-Project-Security-Advisory-AST-2021-002.html"}]}}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-03T20:33:40.586Z"},"title":"CVE Program Container","references":[{"tags":["x_refsource_MISC","x_transferred"],"url":"https://downloads.asterisk.org/pub/security/"},{"name":"20210218 AST-2021-002: Remote crash possible when negotiating T.38","tags":["mailing-list","x_refsource_FULLDISC","x_transferred"],"url":"http://seclists.org/fulldisclosure/2021/Feb/58"},{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"https://downloads.asterisk.org/pub/security/AST-2021-002.html"},{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"https://issues.asterisk.org/jira/browse/ASTERISK-29203"},{"tags":["x_refsource_MISC","x_transferred"],"url":"http://packetstormsecurity.com/files/161471/Asterisk-Project-Security-Advisory-AST-2021-002.html"}]}]},"cveMetadata":{"assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","assignerShortName":"mitre","cveId":"CVE-2021-26717","datePublished":"2021-02-18T19:39:46.000Z","dateReserved":"2021-02-05T00:00:00.000Z","dateUpdated":"2024-08-03T20:33:40.586Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"}