CVE-2020-1763
CVE-2020-1763
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 7.5 · High · EPSS 3.6% · Fix available
- Published
- Updated
Stack: system
Affected products and versions
libreswan
- Versions
- from versions 3.27 till 3.31: Affected
No fix published
libreswan Debian:12
- Affected ranges
- ECOSYSTEM: < 3.32-1
Update to 3.32-1
libreswan Debian:13
- Affected ranges
- ECOSYSTEM: < 3.32-1
Update to 3.32-1
libreswan Debian:14
- Affected ranges
- ECOSYSTEM: < 3.32-1
Update to 3.32-1
libreswan Ubuntu:18.04:LTS
- Versions
- 3.20-7build1
- 3.21-2
- 3.22-1
- 3.22-2
- 3.22-3
- 3.22-4
- 3.23-1
- 3.23-4
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
libreswan Ubuntu:20.04:LTS
- Versions
- 3.29-2
- 3.29-2build1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
Original sources
- https://libreswan.org/security/CVE-2020-1763/CVE-2020-1763.txt
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1763
- https://bugzilla.redhat.com/show_bug.cgi?id=1813329
- https://github.com/libreswan/libreswan/commit/471a3e41a449d7c753bc4edbba4239501bb62ba8
- https://www.debian.org/security/2020/dsa-4684
- https://security.gentoo.org/glsa/202007-21
- https://cert-portal.siemens.com/productcert/pdf/ssa-379803.pdf
- https://us-cert.cisa.gov/ics/advisories/icsa-21-040-04
- https://nvd.nist.gov/vuln/detail/CVE-2020-1763