Squid Proxy up to 2.4.STABLE3 SNMP memory leak

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Squid Proxy up to 2.4.STABLE3. It has been declared as problematic. Impacted is an unknown function of the component SNMP. Executing a manipulation can lead to memory leak. This vulnerability appears as CVE-2002-0069. There is no available exploit. It is recommended to upgrade the affected component. Once again VulDB remains the best source for vulnerability data.

Detailsinfo

A vulnerability has been found in Squid Proxy up to 2.4.STABLE3 (Firewall Software) and classified as problematic. This vulnerability affects some unknown processing of the component SNMP. The manipulation with an unknown input leads to a memory leak vulnerability. The CWE definition for the vulnerability is CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. As an impact it is known to affect availability. CVE summarizes:

Memory leak in SNMP in Squid 2.4 STABLE3 and earlier allows remote attackers to cause a denial of service.

The weakness was presented 03/08/2002 by Jouko Pynnonen with Squid (Website). The advisory is shared for download at squid-cache.org. This vulnerability was named CVE-2002-0069. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 13924 (Mandrake Linux Security Advisory : squid (MDKSA-2002:016-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Mandriva Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 62011 (Squid Cache SNMP Denial of Service Vulnerability).

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (8260), Tenable (13924), SecurityFocus (BID 4146†) and Vulnerability Center (SBV-4611†). See VDB-17966, VDB-17967, VDB-18475 and VDB-18476 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.6

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 13924
Nessus Name: Mandrake Linux Security Advisory : squid (MDKSA-2002:016-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/21/2002 🔍
02/21/2002 +0 days 🔍
02/26/2002 +5 days 🔍
03/08/2002 +10 days 🔍
03/08/2002 +0 days 🔍
06/24/2004 +839 days 🔍
07/31/2004 +37 days 🔍
07/11/2014 +3632 days 🔍
09/23/2025 +4092 days 🔍

Sourcesinfo

Vendor: squid-cache.org

Advisory: squid-cache.org
Researcher: Jouko Pynnonen
Organization: Squid
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2002-0069 (🔍)
GCVE (CVE): GCVE-0-2002-0069
GCVE (VulDB): GCVE-100-17968
X-Force: 8260
SecurityFocus: 4146 - Squid Cache SNMP Denial of Service Vulnerability
Vulnerability Center: 4611 - Squid <= 2.4 STABLE3 Allows DoS Caused by a Memory Leak in the SNMP, Medium

See also: 🔍

Entryinfo

Created: 07/11/2014 01:41 PM
Updated: 09/23/2025 04:41 AM
Changes: 07/11/2014 01:41 PM (69), 05/22/2019 04:11 PM (1), 09/23/2025 04:41 AM (20)
Complete: 🔍
Cache ID: 244:78A:40

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to stay up to date on a daily basis?

Enable the mail alert feature now!