Squid Proxy up to 2.5.stable7 memory leak

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Squid Proxy up to 2.5.stable7. This affects an unknown function. The manipulation leads to memory leak. This vulnerability is uniquely identified as CVE-2005-0096. No exploit exists. It is suggested to upgrade the affected component.

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 code. The manipulation with an unknown input leads to a memory leak vulnerability. Using CWE to declare the problem leads to CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. Impacted is availability. The summary by CVE is:

Memory leak in the NTLM fakeauth_auth helper for Squid 2.5.STABLE7 and earlier allows remote attackers to cause a denial of service (memory consumption).

The bug was discovered 01/10/2005. The weakness was disclosed 01/25/2005 (Website). It is possible to read the advisory at squid-cache.org. The identification of this vulnerability is CVE-2005-0096 since 01/18/2005. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 15 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 18947 (FreeBSD : squid -- denial-of-service vulnerabilities (5bf1a715-cc57-440f-b0a5-6406961c54a7)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published 5 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (18818), Tenable (18947), SecurityFocus (BID 12324†), OSVDB (13114†) and SecurityTracker (ID 1012818†). The entry VDB-1102 is pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

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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: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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: Memory leak
CWE: CWE-401 / 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: 18947
Nessus Name: FreeBSD : squid -- denial-of-service vulnerabilities (5bf1a715-cc57-440f-b0a5-6406961c54a7)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 53003
OpenVAS Name: FreeBSD Ports: squid
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

01/10/2005 🔍
01/10/2005 +0 days 🔍
01/11/2005 +1 days 🔍
01/18/2005 +7 days 🔍
01/19/2005 +1 days 🔍
01/20/2005 +1 days 🔍
01/25/2005 +5 days 🔍
01/25/2005 +0 days 🔍
06/03/2005 +129 days 🔍
07/13/2005 +40 days 🔍
03/10/2015 +3527 days 🔍
05/29/2019 +1541 days 🔍

Sourcesinfo

Vendor: squid-cache.org

Advisory: squid-cache.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2005-0096 (🔍)
GCVE (CVE): GCVE-0-2005-0096
GCVE (VulDB): GCVE-100-23867

OVAL: 🔍

X-Force: 18818
SecurityFocus: 12324 - Squid Proxy NTLM Fakeauth_Auth Memory Leak Remote Denial Of Service Vulnerability
OSVDB: 13114 - CVE-2005-0096 - Squid - Denial of Service Issue
SecurityTracker: 1012818
Vulnerability Center: 6859 - DoS in Squid Proxy Server 2.5*-STABLE NTLM fakeauth, High

See also: 🔍

Entryinfo

Created: 03/10/2015 15:27
Updated: 05/29/2019 12:24
Changes: 03/10/2015 15:27 (73), 05/29/2019 12:24 (11)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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