CVE-2023-46724
Squid OpenSSL SSL Certificate Denial of Service Vulnerability
Description
Squid is a caching proxy for the Web. Due to an Improper Validation of Specified Index bug, Squid versions 3.3.0.1 through 5.9 and 6.0 prior to 6.4 compiled using `--with-openssl` are vulnerable to a Denial of Service attack against SSL Certificate validation. This problem allows a remote server to perform Denial of Service against Squid Proxy by initiating a TLS Handshake with a specially crafted SSL Certificate in a server certificate chain. This attack is limited to HTTPS and SSL-Bump. This bug is fixed in Squid version 6.4. In addition, patches addressing this problem for the stable releases can be found in Squid's patch archives. Those who you use a prepackaged version of Squid should refer to the package vendor for availability information on updated packages.
INFO
Published Date :
Nov. 1, 2023, 8:15 p.m.
Last Modified :
Dec. 29, 2023, 3:15 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
4.0
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2023-46724 has a 2 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
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-2023-46724.
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).
A detailed repository of vulnerabilities that I discovered in The Squid Caching Proxy.
None
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2023-46724 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2023-46724 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]
Dec. 29, 2023
Action Type Old Value New Value Added Reference GitHub, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/MEV66D3PAAY6K7TWDT3WZBLCPLASFJDC/ [No types assigned] Added Reference GitHub, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/A5QASTMCUSUEW3UOMKHZJB3FTONWSRXS/ [No types assigned] -
CVE Modified by [email protected]
Dec. 08, 2023
Action Type Old Value New Value Added Reference GitHub, Inc. https://security.netapp.com/advisory/ntap-20231208-0001/ [No types assigned] -
Initial Analysis by [email protected]
Nov. 09, 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 http://www.squid-cache.org/Versions/v5/SQUID-2023_4.patch No Types Assigned http://www.squid-cache.org/Versions/v5/SQUID-2023_4.patch Mailing List, Patch Changed Reference Type http://www.squid-cache.org/Versions/v6/SQUID-2023_4.patch No Types Assigned http://www.squid-cache.org/Versions/v6/SQUID-2023_4.patch Mailing List, Patch Changed Reference Type https://github.com/squid-cache/squid/commit/b70f864940225dfe69f9f653f948e787f99c3810 No Types Assigned https://github.com/squid-cache/squid/commit/b70f864940225dfe69f9f653f948e787f99c3810 Patch Changed Reference Type https://github.com/squid-cache/squid/security/advisories/GHSA-73m6-jm96-c6r3 No Types Assigned https://github.com/squid-cache/squid/security/advisories/GHSA-73m6-jm96-c6r3 Vendor Advisory Added CWE NIST CWE-295 Added CPE Configuration OR *cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:* versions from (including) 3.3.0.1 up to (excluding) 6.4
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2023-46724 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-2023-46724
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.61 }} 0.24%
score
0.76311
percentile