CVE-2020-35652

medium

Description

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.

References

https://issues.asterisk.org/jira/browse/ASTERISK-29219

https://issues.asterisk.org/jira/browse/ASTERISK-29191

https://downloads.asterisk.org/pub/security/AST-2020-004.html

https://downloads.asterisk.org/pub/security/AST-2020-003.html

Details

Source: Mitre, NVD

Published: 2021-01-29

Updated: 2021-02-04

Risk Information

CVSS v2

Base Score: 4

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity: Medium

EPSS

EPSS: 0.00062