Darold squidclamav up to 6.6 squidclamav.c squidclamav_check_preview_handler memory corruption

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.
5.1$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Darold squidclamav up to 6.6. The impacted element is the function squidclamav_check_preview_handler of the file squidclamav.c. The manipulation results in memory corruption. This vulnerability is cataloged as CVE-2012-3501. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic has been found in Darold squidclamav up to 6.6 (Firewall Software). Affected is the function squidclamav_check_preview_handler of the file squidclamav.c. 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:

The squidclamav_check_preview_handler function in squidclamav.c in SquidClamav 5.x before 5.8 and 6.x before 6.7 passes an unescaped URL to a system command call, which allows remote attackers to cause a denial of service (daemon crash) via a URL with certain characters, as demonstrated using %0D or %0A.

The weakness was shared 08/25/2012 (Website). The advisory is available at github.com. This vulnerability is traded as CVE-2012-3501. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 61675 (FreeBSD : squidclamav -- Denial of Service (8defa0f9-ee8a-11e1-8bd8-0022156e8794)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks.

Upgrading to version 6.2 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (61675), SecurityFocus (BID 54663†), OSVDB (84138†), Secunia (SA49057†) and Vulnerability Center (SBV-36165†). The entry VDB-61799 is related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

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
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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: 61675
Nessus Name: FreeBSD : squidclamav -- Denial of Service (8defa0f9-ee8a-11e1-8bd8-0022156e8794)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 71836
OpenVAS Name: FreeBSD Ports: squidclamav
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: squidclamav 6.2
Patch: github.com

Timelineinfo

06/14/2012 🔍
07/25/2012 +41 days 🔍
07/25/2012 +0 days 🔍
08/25/2012 +31 days 🔍
08/25/2012 +0 days 🔍
08/25/2012 +0 days 🔍
08/27/2012 +2 days 🔍
09/19/2012 +23 days 🔍
03/23/2015 +915 days 🔍
12/12/2021 +2456 days 🔍

Sourcesinfo

Product: github.com

Advisory: 80f74451f628264d1d9a1f1c0bbcebc932ba5e00
Status: Not defined
Confirmation: 🔍

CVE: CVE-2012-3501 (🔍)
GCVE (CVE): GCVE-0-2012-3501
GCVE (VulDB): GCVE-100-61794
SecurityFocus: 54663 - SquidClamav URL Parsing Denial of Service Vulnerability
Secunia: 49057 - SquidClamav Multiple Vulnerabilities, Moderately Critical
OSVDB: 84138
Vulnerability Center: 36165 - SquidClamav Remote DoS Vulnerability via a URL With Certain Characters, Medium

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 12/12/2021 11:52
Changes: 03/23/2015 16:50 (65), 04/17/2017 11:01 (11), 12/12/2021 11:44 (5), 12/12/2021 11:52 (1)
Complete: 🔍
Cache ID: 216:7EE:103

Discussion

No comments yet. Languages: en.

Please log in to comment.

Are you interested in using VulDB?

Download the whitepaper to learn more about our service!