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.
Published: 2021-02-18
Score: 5.9 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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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.
History

No history.

Subscriptions

Digium Asterisk Certified Asterisk
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

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

Reserved: 2021-02-08T00:00:00.000Z

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.

Weaknesses