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.
Advisories
Source ID Title
EUVD EUVD EUVD-2021-13690 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.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-03T20:33:41.368Z

Reserved: 2021-02-08T00:00:00

Link: CVE-2021-26906

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-02-18T20:15:12.743

Modified: 2024-11-21T05:57:00.817

Link: CVE-2021-26906

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.