CVE-2020-1763 — Vulnetix

Try Vulnetix Request Demo

CVE-2020-1763 PUBLISHED

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.

EPSS 4.76% · 89.4th percentile

Risk Scores

EPSS Score

4.76%

89.4th percentile

Affected Products

Vendor	Product	Versions
Ubuntu:18.04:LTS	libreswan	0, 3.20-7build1, 3.21-2
Ubuntu:20.04:LTS	libreswan	0, 3.29-2, 3.29-2build1

Timeline

May 12, 2020 CVE Published
Apr 14, 2021 EPSS Score
Jun 22, 2021 EPSS Score
Oct 24, 2021 EPSS Score
Dec 25, 2021 EPSS Score
Jan 6, 2022 EPSS Score
Feb 25, 2022 EPSS Score
Apr 1, 2022 EPSS Score
Apr 28, 2022 EPSS Score
Jun 29, 2022 EPSS Score
Nov 1, 2022 EPSS Score
Jan 2, 2023 EPSS Score

References

https://ubuntu.com/security/CVE-2020-1763 third-party-advisory
https://libreswan.org/security/CVE-2020-1763/CVE-2020-1763.txt third-party-advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1813329 third-party-advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1763 third-party-advisory
https://github.com/libreswan/libreswan/commit/471a3e41a449d7c753bc4edbba4239501bb62ba8 third-party-advisory
https://www.cve.org/CVERecord?id=CVE-2020-1763 third-party-advisory

Open in Interactive Console →