Executive Summary

Informations
Name CVE-2020-1763 First vendor Publication 2020-05-12
Vendor Cve Last vendor Modification 2021-05-05

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Overall CVSS Score 7.5
Base Score 7.5 Environmental Score 7.5
impact SubScore 3.6 Temporal Score 7.5
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:N/I:N/A:P)
Cvss Base Score 5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1763

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-125 Out-of-bounds Read

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 14

Sources (Detail)

Source Url
CONFIRM https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1763
https://cert-portal.siemens.com/productcert/pdf/ssa-379803.pdf
https://github.com/libreswan/libreswan/commit/471a3e41a449d7c753bc4edbba42395...
https://libreswan.org/security/CVE-2020-1763/CVE-2020-1763.txt
DEBIAN https://www.debian.org/security/2020/dsa-4684
GENTOO https://security.gentoo.org/glsa/202007-21
MISC https://bugzilla.redhat.com/show_bug.cgi?id=1813329
https://us-cert.cisa.gov/ics/advisories/icsa-21-040-04

Alert History

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Date Informations
2021-05-05 17:22:54
  • Multiple Updates
2021-05-04 13:51:02
  • Multiple Updates
2021-04-22 03:02:32
  • Multiple Updates
2021-02-12 12:31:30
  • Multiple Updates
2021-02-09 17:22:52
  • Multiple Updates
2020-07-27 09:22:46
  • Multiple Updates
2020-05-23 02:35:59
  • First insertion