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Secunia Security Advisory 31498

Secunia Security Advisory 31498
Posted Aug 14, 2008
Authored by Secunia | Site secunia.com

Secunia Security Advisory - A vulnerability has been reported in Microsoft Visual Studio, which can potentially be exploited by malicious people to compromise a user's system.

tags | advisory
SHA-256 | 82ee072426c10d1e5d6dabfd260779ca664d3bb279da4a8a3118ae8c8da1667e

Secunia Security Advisory 31498

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TITLE:
Microsoft Visual Studio Masked Edit Control "Mask" Buffer Overflow

SECUNIA ADVISORY ID:
SA31498

VERIFY ADVISORY:
http://secunia.com/advisories/31498/

CRITICAL:
Highly critical

IMPACT:
DoS, System access

WHERE:
>From remote

SOFTWARE:
Microsoft Visual Studio 6 Standard
http://secunia.com/product/16717/
Microsoft Visual Studio 6 Professional
http://secunia.com/product/409/
Microsoft Visual Studio 6 Enterprise
http://secunia.com/product/408/

DESCRIPTION:
A vulnerability has been reported in Microsoft Visual Studio, which
can potentially be exploited by malicious people to compromise a
user's system.

The vulnerability is caused due to a boundary error in the Masked
Edit ActiveX control (Msmask32.ocx). This can be exploited to cause a
stack-based buffer overflow by tricking a user into e.g. visiting a
malicious website, which initializes the object with an overly long
"Mask" parameter.

Successful exploitation may allow execution of arbitrary code.

The vulnerability is reported in Msmask32.ocx version 6.0.81.69
included in Microsoft Visual Studio 6.0. Other versions may also be
affected.

SOLUTION:
The vulnerability is reportedly fixed in Msmask32.ocx version
6.0.84.18.

Set the kill-bit for the affected ActiveX control.

PROVIDED AND/OR DISCOVERED BY:
Reported as a 0-day.

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

----------------------------------------------------------------------

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