Grisoft AVG Antivirus up to 7.1.406 uninitialized input validation

HistoryDiffrelatejsonxmlCTI

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.
8.5	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Grisoft AVG Antivirus up to 7.1.406. This vulnerability affects unknown code. The manipulation of the argument uninitialized results in input validation. This vulnerability is known as CVE-2006-5938. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Grisoft AVG Antivirus up to 7.1.406 (Anti-Malware Software). Affected is an unknown functionality. The manipulation of the argument uninitialized with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Grisoft AVG Anti-Virus before 7.1.407 has unknown impact and remote attack vectors involving an uninitialized variable and a crafted CAB file.

The weakness was published 11/15/2006 (Website). The advisory is shared for download at grisoft.com. This vulnerability is traded as CVE-2006-5938 since 11/15/2006. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.

It is declared as proof-of-concept.

Upgrading to version 7.1.407 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (30246) and Secunia (SA22811†). Similar entries are available at VDB-2678, VDB-2680, VDB-2681 and VDB-2679. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Anti-Malware Software

Vendor

Grisoft

Name

AVG Antivirus

Version

7.1.406

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 8.5

VulDB Base Score: 9.8
VulDB Temp Score: 8.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: AVG Antivirus 7.1.407

Timelineinfo

11/15/2006 🔍
11/15/2006 +0 days 🔍
11/15/2006 +0 days 🔍
03/12/2015 +3039 days 🔍
04/27/2026 +4064 days 🔍

Sourcesinfo

Advisory: grisoft.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2006-5938 (🔍)
GCVE (CVE): GCVE-0-2006-5938
GCVE (VulDB): GCVE-100-33300
X-Force: 30246 - AVG Anti-Virus CAB denial of service
Secunia: 22811
Vupen: ADV-2006-4498

See also: 🔍

Entryinfo

Created: 03/12/2015 22:21
Updated: 04/27/2026 18:05
Changes: 03/12/2015 22:21 (55), 10/02/2017 10:59 (1), 04/27/2026 18:05 (17)
Complete: 🔍
Cache ID: 216::103