squidGuard 1.4 Locking memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

A vulnerability classified as critical has been found in squidGuard 1.4 (Firewall Software). Affected is an unknown part of the component Locking. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on availability. CVE summarizes:

Multiple buffer overflows in squidGuard 1.4 allow remote attackers to bypass intended URL blocking via a long URL, related to (1) the relationship between a certain buffer size in squidGuard and a certain buffer size in Squid and (2) a redirect URL that contains information about the originally requested URL.

The weakness was shared 10/23/2009 (Website). The advisory is available at vupen.com. This vulnerability is traded as CVE-2009-3826. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 46213 (Debian DSA-2040-1 : squidguard - buffer overflow), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 165212 (SUSE Security Update for Multiple Packages (SUSE-SR:2010:014)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (53922), Tenable (46213), SecurityFocus (BID 36800†), OSVDB (59164†) and Vulnerability Center (SBV-23936†). The entries VDB-51880, VDB-51780, VDB-50633 and VDB-53524 are related to this item.

Productinfo

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Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

CVSSv2info

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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 46213
Nessus Name: Debian DSA-2040-1 : squidguard - buffer overflow
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 67341
OpenVAS Name: Debian Security Advisory DSA 2040-1 (squidguard)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/23/2009 🔍
10/23/2009 +0 days 🔍
10/23/2009 +0 days 🔍
10/23/2009 +0 days 🔍
10/28/2009 +4 days 🔍
10/28/2009 +0 days 🔍
11/08/2009 +11 days 🔍
03/18/2015 +1956 days 🔍
08/24/2021 +2351 days 🔍

Sourcesinfo

Advisory: vupen.com⛔
Status: Not defined
Confirmation: 🔍

CVE: CVE-2009-3826 (🔍)
OVAL: 🔍

X-Force: 53922
SecurityFocus: 36800 - squidGuard Multiple Security Bypass Vulnerabilities
OSVDB: 59164 - squidGuard Long URL Handling Multiple Method Filter Bypass
Vulnerability Center: 23936 - squidGuard 1.3 and 1.4 URL Blocking Bypass Vulnerability via Long URL, Medium

See also: 🔍

Entryinfo

Created: 03/18/2015 03:15 PM
Updated: 08/24/2021 05:44 PM
Changes: 03/18/2015 03:15 PM (62), 02/16/2017 10:10 AM (9), 08/24/2021 05:37 PM (4), 08/24/2021 05:44 PM (1)
Complete: 🔍
Cache ID: 18:A23:40

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