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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2021-26717 Detail

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.


Metrics

 
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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/161471/Asterisk-Project-Security-Advisory-AST-2021-002.html Third Party Advisory 
http://packetstormsecurity.com/files/161471/Asterisk-Project-Security-Advisory-AST-2021-002.html Third Party Advisory 
http://seclists.org/fulldisclosure/2021/Feb/58 Mailing List  Patch  Third Party Advisory 
http://seclists.org/fulldisclosure/2021/Feb/58 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-2021-002.html Vendor Advisory 
https://downloads.asterisk.org/pub/security/AST-2021-002.html Vendor Advisory 
https://issues.asterisk.org/jira/browse/ASTERISK-29203 Issue Tracking  Patch  Vendor Advisory 
https://issues.asterisk.org/jira/browse/ASTERISK-29203 Issue Tracking  Patch  Vendor Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
NVD-CWE-noinfo Insufficient Information 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-2021-26717
NVD Published Date:
02/18/2021
NVD Last Modified:
11/21/2024
Source:
MITRE