8.6
HIGH CVSS 3.1
CVE-2023-49286
Denial of Service in Helper Process management
Description

Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to an Incorrect Check of Function Return Value bug Squid is vulnerable to a Denial of Service attack against its Helper process management. This bug is fixed by Squid version 6.5. Users are advised to upgrade. There are no known workarounds for this vulnerability.

INFO

Published Date :

Dec. 4, 2023, 11:15 p.m.

Last Modified :

Nov. 21, 2024, 8:33 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2023-49286 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
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH [email protected]
CVSS 3.1 HIGH [email protected]
Solution
To address the vulnerability, update the affected Squid packages to a patched version.
  • Update the squid packages.
  • Upgrade to a fixed version.
Public PoC/Exploit Available at Github

CVE-2023-49286 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-49286 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-2023-49286 weaknesses.

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: 9 months, 4 weeks ago
22 stars 1 fork 1 watcher
Born at : Oct. 9, 2023, 3:44 p.m. This repo has been linked 22 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-2023-49286 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-49286 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 af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://www.squid-cache.org/Versions/v6/SQUID-2023_8.patch
    Added Reference https://github.com/squid-cache/squid/commit/6014c6648a2a54a4ecb7f952ea1163e0798f9264
    Added Reference https://github.com/squid-cache/squid/security/advisories/GHSA-xggx-9329-3c27
    Added Reference https://lists.debian.org/debian-lts-announce/2024/01/msg00003.html
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/A5QASTMCUSUEW3UOMKHZJB3FTONWSRXS/
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/MEV66D3PAAY6K7TWDT3WZBLCPLASFJDC/
    Added Reference https://security.netapp.com/advisory/ntap-20240119-0004/
  • CVE Modified by [email protected]

    May. 14, 2024

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

    Jan. 19, 2024

    Action Type Old Value New Value
    Added Reference GitHub, Inc. https://security.netapp.com/advisory/ntap-20240119-0004/ [No types assigned]
  • CVE Modified by [email protected]

    Jan. 09, 2024

    Action Type Old Value New Value
    Added Reference GitHub, Inc. https://lists.debian.org/debian-lts-announce/2024/01/msg00003.html [No types assigned]
  • 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]
  • Initial Analysis by [email protected]

    Dec. 08, 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/v6/SQUID-2023_8.patch No Types Assigned http://www.squid-cache.org/Versions/v6/SQUID-2023_8.patch Broken Link
    Changed Reference Type https://github.com/squid-cache/squid/commit/6014c6648a2a54a4ecb7f952ea1163e0798f9264 No Types Assigned https://github.com/squid-cache/squid/commit/6014c6648a2a54a4ecb7f952ea1163e0798f9264 Patch
    Changed Reference Type https://github.com/squid-cache/squid/security/advisories/GHSA-xggx-9329-3c27 No Types Assigned https://github.com/squid-cache/squid/security/advisories/GHSA-xggx-9329-3c27 Vendor Advisory
    Added CWE NIST CWE-754
    Added CWE NIST CWE-617
    Added CPE Configuration OR *cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:* versions up to (including) 6.4
  • CVE Received by [email protected]

    Dec. 04, 2023

    Action Type Old Value New Value
    Added Description Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to an Incorrect Check of Function Return Value bug Squid is vulnerable to a Denial of Service attack against its Helper process management. This bug is fixed by Squid version 6.5. Users are advised to upgrade. There are no known workarounds for this vulnerability.
    Added Reference GitHub, Inc. https://github.com/squid-cache/squid/security/advisories/GHSA-xggx-9329-3c27 [No types assigned]
    Added Reference GitHub, Inc. https://github.com/squid-cache/squid/commit/6014c6648a2a54a4ecb7f952ea1163e0798f9264 [No types assigned]
    Added Reference GitHub, Inc. http://www.squid-cache.org/Versions/v6/SQUID-2023_8.patch [No types assigned]
    Added CWE GitHub, Inc. CWE-253
    Added CWE GitHub, Inc. CWE-617
    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.
Vulnerability Scoring Details
Base CVSS Score: 8.6
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

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

2.24 }} -0.06%

score

0.83892

percentile