CVE-2020-1763
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.5epss 3.3%
exploitation probability
3.3%top 13% of all CVEs
observed exploitation
nono source reports it
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
the libreswan Project · libreswanReferences
https://bugzilla.redhat.com/show_bug.cgi?id=1813329https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1763https://cert-portal.siemens.com/productcert/pdf/ssa-379803.pdfhttps://github.com/libreswan/libreswan/commit/471a3e41a449d7c753bc4edbba4239501bb62ba8https://libreswan.org/security/CVE-2020-1763/CVE-2020-1763.txthttps://security.gentoo.org/glsa/202007-21https://us-cert.cisa.gov/ics/advisories/icsa-21-040-04https://www.debian.org/security/2020/dsa-4684