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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
the libreswan Project libreswan
from versions 3.27 till 3.31affected
References
- 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 ↗