CVE-2020-1763
Libreswan Pluto Daemon Out-of-Bounds Buffer Read Vulnerability
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.
INFO
Published Date :
May 12, 2020, 2:15 p.m.
Last Modified :
Nov. 7, 2023, 3:19 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2020-1763.
| URL | 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 |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-1763 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-1763 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Removed CVSS V3 Red Hat, Inc. AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Added CVSS V3.1 Red Hat, Inc. AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H -
Modified Analysis by [email protected]
May. 05, 2021
Action Type Old Value New Value Changed Reference Type https://cert-portal.siemens.com/productcert/pdf/ssa-379803.pdf No Types Assigned https://cert-portal.siemens.com/productcert/pdf/ssa-379803.pdf Third Party Advisory Changed Reference Type https://security.gentoo.org/glsa/202007-21 No Types Assigned https://security.gentoo.org/glsa/202007-21 Third Party Advisory Changed Reference Type https://us-cert.cisa.gov/ics/advisories/icsa-21-040-04 No Types Assigned https://us-cert.cisa.gov/ics/advisories/icsa-21-040-04 Third Party Advisory, US Government Resource -
CVE Modified by [email protected]
Feb. 12, 2021
Action Type Old Value New Value Added Reference https://us-cert.cisa.gov/ics/advisories/icsa-21-040-04 [No Types Assigned] -
CVE Modified by [email protected]
Feb. 09, 2021
Action Type Old Value New Value Added Reference https://cert-portal.siemens.com/productcert/pdf/ssa-379803.pdf [No Types Assigned] -
CVE Modified by [email protected]
Jul. 27, 2020
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/202007-21 [No Types Assigned] -
Initial Analysis by [email protected]
May. 14, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1813329 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1813329 Issue Tracking, Third Party Advisory Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1763 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1763 Issue Tracking, Third Party Advisory Changed Reference Type https://github.com/libreswan/libreswan/commit/471a3e41a449d7c753bc4edbba4239501bb62ba8 No Types Assigned https://github.com/libreswan/libreswan/commit/471a3e41a449d7c753bc4edbba4239501bb62ba8 Patch, Third Party Advisory Changed Reference Type https://libreswan.org/security/CVE-2020-1763/CVE-2020-1763.txt No Types Assigned https://libreswan.org/security/CVE-2020-1763/CVE-2020-1763.txt Patch, Vendor Advisory Changed Reference Type https://www.debian.org/security/2020/dsa-4684 No Types Assigned https://www.debian.org/security/2020/dsa-4684 Third Party Advisory Added CWE NIST CWE-125 Added CPE Configuration OR *cpe:2.3:a:libreswan:libreswan:3.5:*:*:*:*:*:*:* *cpe:2.3:a:libreswan:libreswan:*:*:*:*:*:*:*:* versions from (including) 3.27 up to (including) 3.31 -
CVE Modified by [email protected]
May. 14, 2020
Action Type Old Value New Value Added Reference https://www.debian.org/security/2020/dsa-4684 [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-1763 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2020-1763
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.61 }} -0.08%
score
0.79020
percentile