Verypdf VeryDOC PDF Viewer 2.0.0.1 ActiveX Control pdfview.ocx first memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Verypdf VeryDOC PDF Viewer 2.0.0.1. It has been rated as critical. Affected by this issue is some unknown functionality of the file pdfview.ocx of the component ActiveX Control. This manipulation of the argument first causes memory corruption. The identification of this vulnerability is CVE-2008-5492. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability has been found in Verypdf VeryDOC PDF Viewer 2.0.0.1 (Document Reader Software) and classified as very critical. Affected by this vulnerability is an unknown function of the file pdfview.ocx of the component ActiveX Control. The manipulation of the argument first with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Heap-based buffer overflow in the PDFVIEW.PdfviewCtrl.1 ActiveX control in pdfview.ocx 2.0.0.1 in VeryDOC PDF Viewer OCX Control allows remote attackers to execute arbitrary code via a long first argument to the OpenPDF method. NOTE: some of these details are obtained from third party information.

The bug was discovered 11/15/2008. The weakness was shared 12/12/2008 by r0ut3r (Website). The advisory is shared at milw0rm.com. This vulnerability is known as CVE-2008-5492 since 12/12/2008. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/25/2025).

It is possible to download the exploit at securityfocus.com. It is declared as highly functional. The vulnerability was handled as a non-public zero-day exploit for at least 27 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 121553 (VeryPDF PDFView ActiveX Component Heap Buffer Overflow Vulnerability).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 19350.

The vulnerability is also documented in the databases at X-Force (46622), Exploit-DB (7126), SecurityFocus (BID 32313†), OSVDB (49871†) and Secunia (SA32725†). 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: 10.0
VulDB Meta Temp Score: 9.6

VulDB Base Score: 10.0
VulDB Temp Score: 9.6
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: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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OpenVAS ID: 800207
OpenVAS Name: VeryDOC PDF Viewer ActiveX Control Buffer Overflow Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

MetaSploit ID: verypdf_pdfview.rb
MetaSploit Name: VeryPDF PDFView OCX ActiveX OpenPDF Heap Overflow
MetaSploit File: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

Fortigate IPS: 🔍

Timelineinfo

11/15/2008 🔍
11/15/2008 +0 days 🔍
11/15/2008 +0 days 🔍
11/17/2008 +2 days 🔍
11/24/2008 +7 days 🔍
12/12/2008 +18 days 🔍
12/12/2008 +0 days 🔍
12/12/2008 +0 days 🔍
03/17/2015 +2286 days 🔍
05/25/2025 +3721 days 🔍

Sourcesinfo

Advisory: milw0rm.com⛔
Researcher: r0ut3r
Status: Not defined

CVE: CVE-2008-5492 (🔍)
GCVE (CVE): GCVE-0-2008-5492
GCVE (VulDB): GCVE-100-45409
X-Force: 46622
SecurityFocus: 32313 - VeryPDF PDFView ActiveX Component Heap Buffer Overflow Vulnerability
Secunia: 32725 - VeryDOC PDF Viewer ActiveX Control "OpenPDF()" Buffer Overflow, Highly Critical
OSVDB: 49871 - VeryPDF - PDFView - ActiveX Component Heap Buffer Overflow Issue
Vulnerability Center: 20059 - VeryDOC PDF Viewer 2.0.0.1 ActiveX Control Remote Buffer Overflow in OpenPDF(), Medium

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/17/2015 16:11
Updated: 05/25/2025 01:48
Changes: 03/17/2015 16:11 (78), 08/21/2019 09:30 (6), 11/11/2024 06:45 (20), 05/25/2025 01:48 (3)
Complete: 🔍
Cache ID: 216::103

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

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