Squid Web Proxy up to 6.9 denial of service

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Squid Web Proxy up to 6.9. Impacted is an unknown function of the component Proxy Handler. Such manipulation leads to denial of service. This vulnerability is documented as CVE-2024-45802. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Squid Web Proxy up to 6.9 and classified as critical. Affected by this issue is an unknown code block of the component Proxy Handler. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. CVE summarizes:

Squid is an open source caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to Input Validation, Premature Release of Resource During Expected Lifetime, and Missing Release of Resource after Effective Lifetime bugs, Squid is vulnerable to Denial of Service attacks by a trusted server against all clients using the proxy. This bug is fixed in the default build configuration of Squid version 6.10.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2024-45802 since 09/09/2024. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

The vulnerability scanner Nessus provides a plugin with the ID 211386 (Oracle Linux 8 : squid (ELSA-2024-9644)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 6.10 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (211386) and CERT Bund (WID-SEC-2025-1850). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

  • Xerox FreeFlow Print Server

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.7

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector (GitHub_M): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 211386
Nessus Name: Oracle Linux 8 : squid (ELSA-2024-9644)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Web Proxy 6.10

Timelineinfo

09/09/2024 🔍
10/28/2024 +49 days 🔍
10/28/2024 +0 days 🔍
08/15/2025 +291 days 🔍

Sourcesinfo

Vendor: squid-cache.org

Advisory: GHSA-f975-v7qw-q7hj
Status: Confirmed

CVE: CVE-2024-45802 (🔍)
GCVE (CVE): GCVE-0-2024-45802
GCVE (VulDB): GCVE-100-282056
CERT Bund: WID-SEC-2025-1850 - Xerox FreeFlow Print Server: Mehrere Schwachstellen ermöglichen nicht spezifizierten Angriff

Entryinfo

Created: 10/28/2024 16:51
Updated: 08/15/2025 21:01
Changes: 10/28/2024 16:51 (66), 11/16/2024 09:47 (2), 01/03/2025 13:21 (12), 08/15/2025 21:01 (7)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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