8.6
HIGH
CVE-2024-25111
Squid Chunked HTTP Denial of Service
Description

Squid is a web proxy cache. Starting in version 3.5.27 and prior to version 6.8, Squid may be vulnerable to a Denial of Service attack against HTTP Chunked decoder due to an uncontrolled recursion bug. This problem allows a remote attacker to cause Denial of Service when sending a crafted, chunked, encoded HTTP Message. This bug is fixed in Squid version 6.8. In addition, patches addressing this problem for the stable releases can be found in Squid's patch archives. There is no workaround for this issue.

INFO

Published Date :

March 6, 2024, 7:15 p.m.

Last Modified :

June 10, 2024, 6:15 p.m.

Remotely Exploitable :

Yes !

Impact Score :

4.0

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2024-25111 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-2024-25111 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 Squid-cache squid

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.

Updated: 3 weeks, 5 days ago
20 stars 0 fork 0 watcher
Born at : Oct. 9, 2023, 3:44 p.m. This repo has been linked 21 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-2024-25111 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2024-25111 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]

    Jun. 10, 2024

    Action Type Old Value New Value
    Added Reference GitHub, Inc. https://security.netapp.com/advisory/ntap-20240605-0001/ [No types assigned]
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Apr. 25, 2024

    Action Type Old Value New Value
    Added Reference GitHub, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/7R4KPSO3MQT3KAOZV7LC2GG3CYMCGK7H/ [No types assigned]
    Added Reference GitHub, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/XWQHRDRHDM5PQTU6BHH4C5KGL37X6TVI/ [No types assigned]
  • CVE Received by [email protected]

    Mar. 06, 2024

    Action Type Old Value New Value
    Added Description Squid is a web proxy cache. Starting in version 3.5.27 and prior to version 6.8, Squid may be vulnerable to a Denial of Service attack against HTTP Chunked decoder due to an uncontrolled recursion bug. This problem allows a remote attacker to cause Denial of Service when sending a crafted, chunked, encoded HTTP Message. This bug is fixed in Squid version 6.8. In addition, patches addressing this problem for the stable releases can be found in Squid's patch archives. There is no workaround for this issue.
    Added Reference GitHub, Inc. https://github.com/squid-cache/squid/security/advisories/GHSA-72c2-c3wm-8qxc [No types assigned]
    Added Reference GitHub, Inc. http://www.squid-cache.org/Versions/v6/SQUID-2024_1.patch [No types assigned]
    Added CWE GitHub, Inc. CWE-674
    Added CVSS V3.1 GitHub, Inc. AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
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-2024-25111 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-2024-25111 weaknesses.

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