{"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", "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", "dateReserved": "2021-02-05T00:00:00", "dateUpdated": "2024-08-03T20:33:40.586Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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