CVE-2020-1763
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| the libreswan Project | libreswan | from versions 3.27 till 3.31 | affected |
Weaknesses
- CWE-125: CWE-125
ADP Enrichment
CVE Program Container
Additional 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
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
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