CVE-2020-1763
libreswan - security update
7.5
HIGH
CVSS 3.1
EPSS 3.3%
Description
An out-of-bounds buffer read flaw was found in the pluto daemon of libreswan from versions 3.27 till 3.31 where, an unauthenticated attacker could use this flaw to crash libreswan by sending specially-crafted IKEv1 Informational Exchange packets. The daemon respawns after the crash.
How to fix CVE-2020-1763
To remediate CVE-2020-1763, upgrade the affected package to a fixed version below.
- —upgrade to 3.32-1 or later
- —upgrade to 3.27-6+deb10u1 or later
Is CVE-2020-1763 being exploited?
Low — EPSS is 3.3%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 3.32-1
- from 0, < 3.27-6+deb10u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |