Microsoft Visual Basic up to 2003 ActiveX Control mscomct2.ocx memory corruption

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Microsoft Visual Basic up to 2003. The impacted element is an unknown function of the file mscomct2.ocx of the component ActiveX Control. Performing a manipulation results in memory corruption. This vulnerability is cataloged as CVE-2008-4255. Furthermore, there is an exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Microsoft Visual Basic up to 2003. This affects an unknown functionality of the file mscomct2.ocx of the component ActiveX Control. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Heap-based buffer overflow in mscomct2.ocx (aka Windows Common ActiveX control or Microsoft Animation ActiveX control) in Microsoft Visual Basic 6.0, Visual Studio .NET 2002 SP1 and 2003 SP1, Visual FoxPro 8.0 SP1 and 9.0 SP1 and SP2, and Office Project 2003 SP3 and 2007 Gold and SP1 allows remote attackers to execute arbitrary code via an AVI file with a crafted stream length, which triggers an "allocation error" and memory corruption, aka "Windows Common AVI Parsing Overflow Vulnerability."

The bug was discovered 12/09/2008. The weakness was shared 12/09/2008 by Brett Moore and Insomnia Security. CHkr_D591 with TippingPoint and the Zero Day Initiative (Website). It is possible to read the advisory at secunia.com. This vulnerability is uniquely identified as CVE-2008-4255 since 09/25/2008. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known.

A public exploit has been developed by Jerome Athias in Perl and been published 3 days after the advisory. The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 35634 (MS KB960715: Cumulative Security Update of ActiveX Kill Bits), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 90452 (Microsoft Visual Studio "Msmask32.ocx" ActiveX Control Remote Buffer Overflow Vulnerability (MS08-070)).

Upgrading eliminates this vulnerability. Applying the patch MS08-070 is able to eliminate this problem. The bugfix is ready for download at microsoft.com. The best possible mitigation is suggested to be upgrading to the latest version. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 6539.

The vulnerability is also documented in the databases at X-Force (48326), Exploit-DB (7431), Tenable (35634), SecurityFocus (BID 32613†) and OSVDB (50580†). The entries VDB-3880, VDB-3877, VDB-3876 and VDB-3878 are related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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: Proof-of-Concept
Author: Jerome Athias
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 35634
Nessus Name: MS KB960715: Cumulative Security Update of ActiveX Kill Bits
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Patch: MS08-070
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

ISS Proventia IPS: 🔍
PaloAlto IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

09/25/2008 🔍
12/09/2008 +75 days 🔍
12/09/2008 +0 days 🔍
12/09/2008 +0 days 🔍
12/09/2008 +0 days 🔍
12/09/2008 +0 days 🔍
12/09/2008 +0 days 🔍
12/10/2008 +1 days 🔍
12/10/2008 +0 days 🔍
12/12/2008 +2 days 🔍
12/12/2008 +0 days 🔍
12/19/2008 +7 days 🔍
02/11/2009 +54 days 🔍
08/21/2019 +3843 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: secunia.com
Researcher: Brett Moore, Insomnia Security. CHkr_D591
Organization: TippingPoint and the Zero Day Initiative
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2008-4255 (🔍)
GCVE (CVE): GCVE-0-2008-4255
GCVE (VulDB): GCVE-100-3879

OVAL: 🔍
IAVM: 🔍

X-Force: 48326
SecurityFocus: 32613 - Microsoft Windows Common AVI ActiveX Control File Parsing Buffer Overflow Vulnerability
Secunia: 26534 - Microsoft Visual Basic ActiveX Controls Multiple Vulnerabilities, Highly Critical
OSVDB: 50580 - Microsoft Visual Basic Windows Common ActiveX control AVI buffer overflow
SecurityTracker: 1021369
Vulnerability Center: 20183 - [MS08-070] Microsoft Visual Basic Windows Common ActiveX Remote Code Execution or DoS, Medium
Vupen: ADV-2008-3382

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

Entryinfo

Created: 12/19/2008 11:03
Updated: 08/21/2019 16:57
Changes: 12/19/2008 11:03 (109), 08/21/2019 16:57 (3)
Complete: 🔍
Cache ID: 216:C49:103

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Do you know our Splunk app?

Download it now for free!