Squid Proxy up to 2.5 Stable7 Error Message information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability has been found in Squid Proxy up to 2.5 Stable7 and classified as problematic. This affects an unknown part of the component Error Message Handler. The manipulation leads to information disclosure. This vulnerability is referenced as CVE-2004-2479. Remote exploitation of the attack is possible. Furthermore, an exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Squid Proxy up to 2.5 Stable7 (Firewall Software). It has been rated as problematic. This issue affects an unknown part of the component Error Message Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. The summary by CVE is:

Squid Web Proxy Cache 2.5 might allow remote attackers to obtain sensitive information via URLs containing invalid hostnames that cause DNS operations to fail, which results in references to previously used error messages.

The bug was discovered 12/09/2004. The weakness was published 12/09/2004 by Artur Szostak (Website). The advisory is shared at squid-cache.org. The identification of this vulnerability is CVE-2004-2479 since 08/21/2005. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are unknown but an exploit is available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

After before and not just, there has been an exploit disclosed. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 806 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 21855 (CentOS 3 / 4 : squid (CESA-2005:766)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 117841 (CentOS Security Update for Squid (CESA-2005:766)).

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at squid-cache.org. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published 10 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (18406), Tenable (21855), SecurityFocus (BID 11865†), OSVDB (12282†) and Secunia (SA16977†). Similar entries are available at VDB-1722, VDB-1729 and VDB-26442. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 21855
Nessus Name: CentOS 3 / 4 : squid (CESA-2005:766)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 52280
OpenVAS Name: FreeBSD Ports: squid
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: squid-cache.org

Timelineinfo

09/25/2002 🔍
11/23/2004 +790 days 🔍
11/23/2004 +0 days 🔍
11/23/2004 +0 days 🔍
12/09/2004 +16 days 🔍
12/09/2004 +0 days 🔍
12/09/2004 +0 days 🔍
12/09/2004 +0 days 🔍
12/13/2004 +3 days 🔍
12/13/2004 +0 days 🔍
12/31/2004 +18 days 🔍
08/21/2005 +233 days 🔍
09/15/2005 +25 days 🔍
09/29/2005 +14 days 🔍
07/03/2006 +277 days 🔍
06/30/2019 +4745 days 🔍

Sourcesinfo

Vendor: squid-cache.org

Advisory: squid-cache.org
Researcher: Artur Szostak
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2004-2479 (🔍)
GCVE (CVE): GCVE-0-2004-2479
GCVE (VulDB): GCVE-100-1025

OVAL: 🔍

X-Force: 18406 - Squid Web Proxy Cache hostname information disclosure, Medium Risk
SecurityFocus: 11865 - Squid Proxy Failed DNS Lookup Random Error Messages Information Disclosure Vulnerability
Secunia: 16977 - SGI Advanced Linux Environment Multiple Updates, Highly Critical
OSVDB: 12282 - Squid Malformed Host Name Error Message Information Disclosure
SecurityTracker: 1012466
Vulnerability Center: 6429 - Squid Proxy Disclosure of Sensitive Information via Malformed Host Names, Medium

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 12/13/2004 11:11
Updated: 06/30/2019 12:30
Changes: 12/13/2004 11:11 (104), 06/30/2019 12:30 (3)
Complete: 🔍
Cache ID: 216:E9F:103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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