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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2021-26906 Detail

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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://packetstormsecurity.com/files/161477/Asterisk-Project-Security-Advisory-AST-2021-005.html Third Party Advisory 
http://packetstormsecurity.com/files/161477/Asterisk-Project-Security-Advisory-AST-2021-005.html Third Party Advisory 
http://seclists.org/fulldisclosure/2021/Feb/61 Mailing List  Patch  Third Party Advisory 
http://seclists.org/fulldisclosure/2021/Feb/61 Mailing List  Patch  Third Party Advisory 
https://downloads.asterisk.org/pub/security/ Vendor Advisory 
https://downloads.asterisk.org/pub/security/ Vendor Advisory 
https://downloads.asterisk.org/pub/security/AST-2021-005.html Vendor Advisory 
https://downloads.asterisk.org/pub/security/AST-2021-005.html Vendor Advisory 
https://issues.asterisk.org/jira/browse/ASTERISK-29196 Issue Tracking  Patch  Vendor Advisory 
https://issues.asterisk.org/jira/browse/ASTERISK-29196 Issue Tracking  Patch  Vendor Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-404 Improper Resource Shutdown or Release cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

4 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-26906
NVD Published Date:
02/18/2021
NVD Last Modified:
11/21/2024
Source:
MITRE