CVE Vulnerability

CVE-2020-35652

An issue was discovered in res_pjsip_diversion.c in Sangoma Asterisk before 13.38.0, 14.x through 16.x before 16.15.0, 17.x before 17.9.0, and 18.x before 18.1.0. A crash can occur when a SIP message is received with a History-Info header that contains a tel-uri, or when a SIP 181 response is received that contains a tel-uri in the Diversion header.

4 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

6.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://downloads.asterisk.org/pub/security/AST-2020-003.html Vendor Advisory
https://downloads.asterisk.org/pub/security/AST-2020-004.html Vendor Advisory
https://issues.asterisk.org/jira/browse/ASTERISK-29191 Exploit Vendor Advisory
https://issues.asterisk.org/jira/browse/ASTERISK-29219 Vendor Advisory
Configurations

Configuration 1

cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
Information

Published : 2021-01-29 08:15

Updated : 2021-02-04 08:27

NVD link : CVE-2020-35652

Mitre link : CVE-2020-35652

Products Affected
No products.
CWE
NVD-CWE-noinfo