AVG Antivirus 8.0.0.161 input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.5$5k-$25k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in AVG Antivirus 8.0.0.161. This impacts an unknown function. Performing a manipulation results in input validation. This vulnerability is reported as CVE-2008-5522. No exploit exists.

Detailsinfo

A vulnerability, which was classified as very critical, was found in AVG Antivirus 8.0.0.161 (Anti-Malware Software). This affects an unknown functionality. The manipulation 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. The summary by CVE is:

AVG Anti-Virus 8.0.0.161, when Internet Explorer 6 or 7 is used, allows remote attackers to bypass detection of malware in an HTML document by placing an MZ header (aka "EXE info") at the beginning, and modifying the filename to have (1) no extension, (2) a .txt extension, or (3) a .jpg extension, as demonstrated by a document containing a CVE-2006-5745 exploit.

The weakness was disclosed 12/12/2008 (Website). The advisory is shared at securityfocus.com. This vulnerability is uniquely identified as CVE-2008-5522 since 12/12/2008. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 10/22/2018).

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 vulnerability database at X-Force (47435). The entries VDB-45443, VDB-45442, VDB-45441 and VDB-45440 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.5

VulDB Base Score: 9.8
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/12/2008 🔍
12/12/2008 +0 days 🔍
12/12/2008 +0 days 🔍
03/17/2015 +2286 days 🔍
10/22/2018 +1315 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Status: Not defined

CVE: CVE-2008-5522 (🔍)
GCVE (CVE): GCVE-0-2008-5522
GCVE (VulDB): GCVE-100-45417
X-Force: 47435 - Multiple antivirus products MZ header code execution

See also: 🔍

Entryinfo

Created: 03/17/2015 16:11
Updated: 10/22/2018 06:58
Changes: 03/17/2015 16:11 (44), 10/22/2018 06:58 (6)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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