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CVE-2020-1763

HIGH

7.5

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.

CVE Details

CVSS v3.1 Score7.5

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published5/12/2020

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

libreswan:libreswan

Weaknesses (CWE)

CWE-125CWE-125

References

https://bugzilla.redhat.com/show_bug.cgi?id=1813329(secalert@redhat.com)

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1763(secalert@redhat.com)

https://cert-portal.siemens.com/productcert/pdf/ssa-379803.pdf(secalert@redhat.com)

https://github.com/libreswan/libreswan/commit/471a3e41a449d7c753bc4edbba4239501bb62ba8(secalert@redhat.com)

https://libreswan.org/security/CVE-2020-1763/CVE-2020-1763.txt(secalert@redhat.com)

https://security.gentoo.org/glsa/202007-21(secalert@redhat.com)

https://us-cert.cisa.gov/ics/advisories/icsa-21-040-04(secalert@redhat.com)

https://www.debian.org/security/2020/dsa-4684(secalert@redhat.com)

https://bugzilla.redhat.com/show_bug.cgi?id=1813329(af854a3a-2127-422b-91ae-364da2661108)

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1763(af854a3a-2127-422b-91ae-364da2661108)

https://cert-portal.siemens.com/productcert/pdf/ssa-379803.pdf(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/libreswan/libreswan/commit/471a3e41a449d7c753bc4edbba4239501bb62ba8(af854a3a-2127-422b-91ae-364da2661108)

https://libreswan.org/security/CVE-2020-1763/CVE-2020-1763.txt(af854a3a-2127-422b-91ae-364da2661108)

https://security.gentoo.org/glsa/202007-21(af854a3a-2127-422b-91ae-364da2661108)

https://us-cert.cisa.gov/ics/advisories/icsa-21-040-04(af854a3a-2127-422b-91ae-364da2661108)

https://www.debian.org/security/2020/dsa-4684(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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