Microsoft PowerPoint Viewer 3.x OCX ActiveX Control stack-based overflow
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.4 | $0-$5k | 0.00 |
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) and Exploit-DB (3826).
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.3VulDB Meta Temp Score: 6.4
VulDB Base Score: 7.3
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
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VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Stack-based overflowCWE: CWE-121 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: shinnai
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Exploit-DB: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: DisableStatus: 🔍
0-Day Time: 🔍
Snort ID: 11176
Timeline
04/17/2007 🔍05/01/2007 🔍
05/01/2007 🔍
05/02/2007 🔍
05/02/2007 🔍
05/03/2007 🔍
05/03/2007 🔍
05/10/2007 🔍
05/10/2007 🔍
Sources
Vendor: microsoft.comAdvisory: moaxb.blogspot.com
Researcher: shinnai
Status: Not defined
CVE: CVE-2007-2494 (🔍)
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
Entry
Created: 05/10/2007 14:18Changes: 05/10/2007 14:18 (80)
Complete: 🔍
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