6.5

CVE-2020-35776

Exploit
A buffer overflow in res_pjsip_diversion.c in Sangoma Asterisk versions 13.38.1, 16.15.1, 17.9.1, and 18.1.1 allows remote attacker to crash Asterisk by deliberately misusing SIP 181 responses.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Digium ≫ Asterisk Version >= 13.0.0 <= 13.38.1
Digium ≫ Asterisk Version >= 16.0.0 <= 16.15.1
Digium ≫ Asterisk Version >= 17.0.0 <= 17.9.1
Digium ≫ Asterisk Version >= 18.0 <= 18.1.1
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 3.91% 0.889
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 6.5 2.8 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
nvd@nist.gov 4.3 8.6 2.9
AV:N/AC:M/Au:N/C:N/I:N/A:P
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.

http://packetstormsecurity.com/files/161470/Asterisk-Project-Security-Advisory-AST-2021-001.html
Patch
Third Party Advisory
http://seclists.org/fulldisclosure/2021/Feb/57
Third Party Advisory
Mailing List
https://downloads.asterisk.org/pub/security/AST-2021-001.html
Vendor Advisory
https://issues.asterisk.org/
Vendor Advisory
Issue Tracking
https://issues.asterisk.org/jira/browse/ASTERISK-29227
Patch
Vendor Advisory
Exploit
Issue Tracking