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Secunia Security Advisory 36250

Secunia Security Advisory 36250
Posted Aug 15, 2009
Authored by Secunia | Site secunia.com

Secunia Security Advisory - webDEViL has discovered a vulnerability in Microsoft Windows, which can be exploited by malicious people and by malicious, local users to cause a DoS (Denial of Service).

tags | advisory, denial of service, local
systems | windows
SHA-256 | 69d050317700cacd804b44574f3a49efa93bbccda75999abfc590f27bc5d404e

Secunia Security Advisory 36250

Change Mirror Download
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(Vulnerability Assessment Remediation Management)

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Implement it through Secunia.

For more information visit:
http://secunia.com/advisories/business_solutions/

Alternatively request a call from a Secunia representative today to
discuss how we can help you with our capabilities contact us at:
sales@secunia.com

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TITLE:
Microsoft Windows Embedded OpenType Font Denial of Service

SECUNIA ADVISORY ID:
SA36250

VERIFY ADVISORY:
http://secunia.com/advisories/36250/

DESCRIPTION:
webDEViL has discovered a vulnerability in Microsoft Windows, which
can be exploited by malicious people and by malicious, local users to
cause a DoS (Denial of Service).

The vulnerability is caused due to an error in win32k.sys when
processing Embedded OpenType fonts. This can be exploited to crash an
affected system when e.g. an HTML page embedding a malicious font is
opened.

NOTE: A system crash can occur if an administrator visits a malicious
website, or if an unprivileged user opens a malicious, locally stored
HTML page.

The vulnerability is confirmed on a fully patched Microsoft Windows
Server 2003 SP2. Other versions may also be affected.

SOLUTION:
Do not browse untrusted websites or follow untrusted links.

Restrict local access to trusted users only.

PROVIDED AND/OR DISCOVERED BY:
webDEViL

ORIGINAL ADVISORY:
http://milw0rm.com/exploits/9417

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

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/advisories/secunia_security_advisories/

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