CVE-2020-35652
6.5
MEDIUM
CVSS 3.1
EPSS 0.16%
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.
How to fix CVE-2020-35652
To remediate CVE-2020-35652, upgrade the affected package to a fixed version below.
- —upgrade to 16.15.1-r0 or later
- —upgrade to 1:16.15.1~dfsg-1 or later
Is CVE-2020-35652 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 16.15.1-r0
- from 0, < 1:16.15.1~dfsg-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |