CVE-2017-14603
asterisk - security update
7.5
HIGH
CVSS 3.1
EPSS 0.75%
Description
In Asterisk 11.x before 11.25.3, 13.x before 13.17.2, and 14.x before 14.6.2 and Certified Asterisk 11.x before 11.6-cert18 and 13.x before 13.13-cert6, insufficient RTCP packet validation could allow reading stale buffer contents and when combined with the "nat" and "symmetric_rtp" options allow redirecting where Asterisk sends the next RTCP report.
How to fix CVE-2017-14603
To remediate CVE-2017-14603, upgrade the affected package to a fixed version below.
- —upgrade to 1:13.17.2~dfsg-1 or later
- —upgrade to 1:11.13.1~dfsg-2+deb8u4 or later
Is CVE-2017-14603 being exploited?
Low — EPSS is 0.7%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1:13.17.2~dfsg-1
- from 0, < 1:11.13.1~dfsg-2+deb8u4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |