6.5
MEDIUM
CVE-2023-23009
Libreswan VPN Parser Denial of Service Vulnerability
Description

Libreswan 4.9 allows remote attackers to cause a denial of service (assert failure and daemon restart) via crafted TS payload with an incorrect selector length.

INFO

Published Date :

Feb. 21, 2023, 4:15 p.m.

Last Modified :

Nov. 7, 2023, 4:07 a.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

2.8
Public PoC/Exploit Available at Github

CVE-2023-23009 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2023-23009 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Debian debian_linux
1 Libreswan libreswan
References to Advisories, Solutions, and Tools

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).

Ikepoke is a security testing tool for IKE endpoints with a focus on IKEv2.

Go

Updated: 5 months ago
1 stars 2 fork 2 watcher
Born at : Aug. 16, 2023, 1:13 p.m. This repo has been linked 2 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-23009 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-23009 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
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2MFOIQX2LRL43P3GJT33DE7G7COHNXDN/ [No types assigned]
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CSMYJH7MC2FZGCY5NH5AXULO3ISXIHOF/ [No types assigned]
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/2MFOIQX2LRL43P3GJT33DE7G7COHNXDN/
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/CSMYJH7MC2FZGCY5NH5AXULO3ISXIHOF/
  • CVE Modified by [email protected]

    Apr. 23, 2023

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/2MFOIQX2LRL43P3GJT33DE7G7COHNXDN/ [No Types Assigned]
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/CSMYJH7MC2FZGCY5NH5AXULO3ISXIHOF/ [No Types Assigned]
  • Modified Analysis by [email protected]

    Mar. 07, 2023

    Action Type Old Value New Value
    Removed CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://www.debian.org/security/2023/dsa-5368 No Types Assigned https://www.debian.org/security/2023/dsa-5368 Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Mar. 04, 2023

    Action Type Old Value New Value
    Added Reference https://www.debian.org/security/2023/dsa-5368 [No Types Assigned]
  • Initial Analysis by [email protected]

    Mar. 02, 2023

    Action Type Old Value New Value
    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://github.com/libreswan/libreswan/issues/954 No Types Assigned https://github.com/libreswan/libreswan/issues/954 Exploit, Issue Tracking, Patch
    Added CWE NIST CWE-400
    Added CPE Configuration OR *cpe:2.3:a:libreswan:libreswan:4.9:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-23009 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-2023-23009 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.23 }} 0.07%

score

0.61409

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability