CVE-2023-46728
Squid Gopher Protocol NULL Pointer Denial of Service Vulnerability
Description
Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to a NULL pointer dereference bug Squid is vulnerable to a Denial of Service attack against Squid's Gopher gateway. The gopher protocol is always available and enabled in Squid prior to Squid 6.0.1. Responses triggering this bug are possible to be received from any gopher server, even those without malicious intent. Gopher support has been removed in Squid version 6.0.1. Users are advised to upgrade. Users unable to upgrade should reject all gopher URL requests.
INFO
Published Date :
Nov. 6, 2023, 6:15 p.m.
Last Modified :
Dec. 29, 2023, 3:15 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2023-46728 has a 1 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-2023-46728.
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.
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2023-46728 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2023-46728 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. 14, 2023
Action Type Old Value New Value Added Reference GitHub, Inc. https://security.netapp.com/advisory/ntap-20231214-0006/ [No types assigned] -
Initial Analysis by [email protected]
Nov. 14, 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/squid-cache/squid/commit/6ea12e8fb590ac6959e9356a81aa3370576568c3 No Types Assigned https://github.com/squid-cache/squid/commit/6ea12e8fb590ac6959e9356a81aa3370576568c3 Patch Changed Reference Type https://github.com/squid-cache/squid/security/advisories/GHSA-cg5h-v6vc-w33f No Types Assigned https://github.com/squid-cache/squid/security/advisories/GHSA-cg5h-v6vc-w33f Vendor Advisory Added CPE Configuration OR *cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:* versions up to (excluding) 6.0.1
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2023-46728 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-2023-46728
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.45 }} 0.13%
score
0.75558
percentile