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CVE-2021-26906

Published: Feb 18, 2021

Modified: Aug 3, 2024

PUBLISHED

Description

An issue was discovered in res_pjsip_session.c in Digium Asterisk through 13.38.1; 14.x, 15.x, and 16.x through 16.16.0; 17.x through 17.9.1; and 18.x through 18.2.0, and Certified Asterisk through 16.8-cert5. An SDP negotiation vulnerability in PJSIP allows a remote server to potentially crash Asterisk by sending specific SIP responses that cause an SDP negotiation failure.

Vendor	Product	Versions
n/a	n/a	affected `n/a`

References

https://downloads.asterisk.org/pub/security/

x_refsource_MISC

20210218 AST-2021-005: Remote Crash Vulnerability in PJSIP channel driver

mailing-list

x_refsource_FULLDISC

https://downloads.asterisk.org/pub/security/AST-2021-005.html

x_refsource_CONFIRM

https://issues.asterisk.org/jira/browse/ASTERISK-29196

x_refsource_CONFIRM

http://packetstormsecurity.com/files/161477/Asterisk-Project-Security-Advisory-AST-2021-005.html

x_refsource_MISC

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