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NOTICE UPDATED - April, 25th 2024

NIST has updated the NVD program announcement page with additional information regarding recent concerns and the temporary delays in enrichment efforts.

CVE-2020-1763 Detail

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.


Severity



CVSS 4.0 Severity and Metrics:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have not published a CVSS score for this CVE at this time. NVD Analysts use publicly available information at the time of analysis to associate CVSS vector strings.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://bugzilla.redhat.com/show_bug.cgi?id=1813329 Issue Tracking  Third Party Advisory 
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1763 Issue Tracking  Third Party Advisory 
https://cert-portal.siemens.com/productcert/pdf/ssa-379803.pdf Third Party Advisory 
https://github.com/libreswan/libreswan/commit/471a3e41a449d7c753bc4edbba4239501bb62ba8 Patch  Third Party Advisory 
https://libreswan.org/security/CVE-2020-1763/CVE-2020-1763.txt Patch  Vendor Advisory 
https://security.gentoo.org/glsa/202007-21 Third Party Advisory 
https://us-cert.cisa.gov/ics/advisories/icsa-21-040-04 Third Party Advisory  US Government Resource 
https://www.debian.org/security/2020/dsa-4684 Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-125 Out-of-bounds Read cwe source acceptance level NIST   Provider acceptance level Red Hat, Inc.  

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Change History

8 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2020-1763
NVD Published Date:
05/12/2020
NVD Last Modified:
11/06/2023
Source:
Red Hat, Inc.