AhnLab V3 Internet Security 2008.12.4.1 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 classified as critical has been found in AhnLab V3 Internet Security 2008.12.4.1. The impacted element is an unknown function. This manipulation causes input validation. This vulnerability is registered as CVE-2008-5520. No exploit is available.

Detailsinfo

A vulnerability classified as very critical was found in AhnLab V3 Internet Security 2008.12.4.1. Affected by this vulnerability is some unknown processing. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

AhnLab V3 2008.12.4.1 and possibly 2008.9.13.0, 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 published 12/12/2008 (Website). It is possible to read the advisory at securityfocus.com. This vulnerability is known as CVE-2008-5520 since 12/12/2008. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 12/03/2017).

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). Similar entries are available at VDB-45443, VDB-45442, VDB-45441 and VDB-45440. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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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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 🔍
12/03/2017 +992 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Status: Not defined

CVE: CVE-2008-5520 (🔍)
GCVE (CVE): GCVE-0-2008-5520
GCVE (VulDB): GCVE-100-45415
X-Force: 47435 - Multiple antivirus products MZ header code execution

See also: 🔍

Entryinfo

Created: 03/17/2015 16:11
Updated: 12/03/2017 15:22
Changes: 03/17/2015 16:11 (47), 12/03/2017 15:22 (2)
Complete: 🔍
Cache ID: 216::103

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