SecuritySpace - CVE-2021-26717

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CVE ID: CVE-2021-26717

Description: 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.

Test IDs: 1.3.6.1.4.1.25623.1.0.145417

Cross References: Common Vulnerability Exposure (CVE) ID: CVE-2021-26717
http://seclists.org/fulldisclosure/2021/Feb/58
http://packetstormsecurity.com/files/161471/Asterisk-Project-Security-Advisory-AST-2021-002.html
https://downloads.asterisk.org/pub/security/

CVE ID:	CVE-2021-26717
Description:	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.
Test IDs:	1.3.6.1.4.1.25623.1.0.145417
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2021-26717 http://seclists.org/fulldisclosure/2021/Feb/58 http://packetstormsecurity.com/files/161471/Asterisk-Project-Security-Advisory-AST-2021-002.html https://downloads.asterisk.org/pub/security/