CVE-2020-1763: high-severity vulnerability in the libreswan Project libreswan
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.5epss 3.6%
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 · libreswanRelated CVEs — the libreswan Project libreswan
In the same product, most dangerous first.
References
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