5.9

CVE-2021-26906

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Digium ≫ Asterisk Version >= 13.0.0 < 13.38.2
Digium ≫ Asterisk Version >= 16.0.0 < 16.16.1
Digium ≫ Asterisk Version >= 17.0.0 < 17.9.2
Digium ≫ Asterisk Version >= 18.0 < 18.2.1
Digium ≫ Certified Asterisk Version 16.8 Update -
Digium ≫ Certified Asterisk Version 16.8 Update cert1-rc1
Digium ≫ Certified Asterisk Version 16.8 Update cert1-rc2
Digium ≫ Certified Asterisk Version 16.8 Update cert1-rc3
Digium ≫ Certified Asterisk Version 16.8 Update cert1-rc4
Digium ≫ Certified Asterisk Version 16.8 Update cert2
Digium ≫ Certified Asterisk Version 16.8 Update cert3
Digium ≫ Certified Asterisk Version 16.8 Update cert4
Digium ≫ Certified Asterisk Version 16.8 Update cert4-rc1
Digium ≫ Certified Asterisk Version 16.8 Update cert4-rc2
Digium ≫ Certified Asterisk Version 16.8 Update cert4-rc3
Digium ≫ Certified Asterisk Version 16.8 Update cert4-rc4
Digium ≫ Certified Asterisk Version 16.8 Update cert5
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 2.55% 0.83
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 5.9 2.2 3.6
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
NIST 4.3 8.6 2.9
AV:N/AC:M/Au:N/C:N/I:N/A:P
CWE-404 Improper Resource Shutdown or Release

The product does not release or incorrectly releases a resource before it is made available for re-use.

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