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Secunia Security Advisory 26960

Secunia Security Advisory 26960
Posted Sep 25, 2007
Authored by Secunia | Site secunia.com

Secunia Security Advisory - Joey Mengele has discovered a vulnerability in Ask Toolbar, which can be exploited by malicious people to compromise a user's system.

tags | advisory
SHA-256 | 24740ed6f534acc152376e872d1189bd37f33062ef248d7e87e16c8197d19f65

Secunia Security Advisory 26960

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Try a new way to discover vulnerabilities that ALREADY EXIST in your
IT infrastructure.

The Secunia NSI enables you to INSPECT, DISCOVER, and DOCUMENT
vulnerabilities in more than 4,700 different Windows applications.

Request your account, the Secunia Network Software Inspector (NSI):
http://secunia.com/network_software_inspector/

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TITLE:
Ask Toolbar ToolbarSettings ActiveX Control Buffer Overflow

SECUNIA ADVISORY ID:
SA26960

VERIFY ADVISORY:
http://secunia.com/advisories/26960/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
Ask Toolbar 4.x
http://secunia.com/product/15810/

DESCRIPTION:
Joey Mengele has discovered a vulnerability in Ask Toolbar, which can
be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to a boundary error in the
AskJeevesToolBar.SettingsPlugin.1 ActiveX control (askBar.dll) when
handling the "ShortFormat" property. This can be exploited to cause a
stack-based buffer overflow by assigning an overly long (greater than
500 bytes) string to the affected property.

Successful exploitation allows execution of arbitrary code.

The vulnerability is confirmed in version 4.0.2. Other versions may
also be affected.

SOLUTION:
Set the kill-bit for the affected ActiveX control.

PROVIDED AND/OR DISCOVERED BY:
Joey Mengele

ORIGINAL ADVISORY:
http://www.milw0rm.com/exploits/4452

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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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