Microsoft PowerPoint Viewer 3.x OCX ActiveX Control stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Microsoft PowerPoint Viewer 3.x. This affects an unknown part of the component OCX ActiveX Control. This manipulation causes stack-based overflow. The identification of this vulnerability is CVE-2007-2494. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. It is recommended to disable the affected component.

Detailsinfo

A vulnerability was found in Microsoft PowerPoint Viewer 3.x (Presentation Software). It has been declared as critical. Affected by this vulnerability is an unknown code of the component OCX ActiveX Control. The manipulation with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Multiple stack-based buffer overflows in the PowerPointOCX ActiveX control in PowerPointViewer.ocx 3.1.0.3 allow remote attackers to cause a denial of service (Internet Explorer 7 crash) via a long (1) DoOleCommand, (2) FTPDownloadFile, (3) FTPUploadFile, (4) HttpUploadFile, (5) Save, (6) SaveWebFile, (7) HttpDownloadFile, (8) Open, or (9) OpenWebFile property value. NOTE: some of these details are obtained from third party information.

The weakness was shared 05/02/2007 by shinnai (Website). The advisory is shared at moaxb.blogspot.com. This vulnerability is known as CVE-2007-2494 since 05/03/2007. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but a public exploit is available.

A public exploit has been developed by shinnai and been published even before and not after the advisory. It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $25k-$100k.

The best possible mitigation is suggested to be disabling the affected component. Attack attempts may be identified with Snort ID 11176.

The vulnerability is also documented in the databases at X-Force (34013), Exploit-DB (3826), SecurityFocus (BID 23733†), OSVDB (34332†) and Secunia (SA25092†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.4

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
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: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: shinnai
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Disable
Status: 🔍

0-Day Time: 🔍
Snort ID: 11176

Timelineinfo

04/17/2007 🔍
05/01/2007 +14 days 🔍
05/01/2007 +0 days 🔍
05/02/2007 +1 days 🔍
05/02/2007 +0 days 🔍
05/03/2007 +0 days 🔍
05/03/2007 +0 days 🔍
05/10/2007 +7 days 🔍
09/09/2024 +6332 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: moaxb.blogspot.com
Researcher: shinnai
Status: Not defined

CVE: CVE-2007-2494 (🔍)
GCVE (CVE): GCVE-0-2007-2494
GCVE (VulDB): GCVE-100-3049
X-Force: 34013 - PowerPoint Viewer PowerPointViewer.ocx ActiveX control buffer overflow, High Risk
SecurityFocus: 23733 - Office OCX PowerPoint Viewer ActiveX Denial of Service Vulnerabilities
Secunia: 25092 - PowerPoint Viewer OCX ActiveX Control Buffer Overflow Vulnerabilities, Highly Critical
OSVDB: 34332 - PowerPoint Viewer OCX ActiveX (PowerPointViewer.ocx) Multiple Method Overflows
Vupen: ADV-2007-1612

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

Entryinfo

Created: 05/10/2007 14:18
Updated: 09/09/2024 22:16
Changes: 05/10/2007 14:18 (80), 09/09/2024 22:16 (18)
Complete: 🔍
Cache ID: 216:BE2:103

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

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