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Vulnerability Alert

Microsoft Internet Explorer Garbage Collection Memory Address Information Disclosure Vulnerability

 
Threat Type:CWE-200: Information Leak / Disclosure
IntelliShield ID:30258
Version:1
First Published:2013 July 30 20:51 GMT
Last Published:2013 July 30 20:51 GMT
Port: Not available
Urgency:Unlikely Use
Credibility:Corroborated
Severity:Harassment
CVSS Base:4.3 CVSS Calculator
CVSS Version 2.0
CVSS Temporal:3.5
Related Resources:
View related IPS Signature
 
 
Version Summary:Microsoft Internet Explorer contains a vulnerability that could allow an unauthenticated, remote attacker to access sensitive information. Updates are not available.
 
 
Description
A vulnerability in Microsoft Internet Explorer could allow an unauthenticated, remote attacker to access sensitive information.

The vulnerability is due the improper use of marked bits in object structures used by the affected software. An unauthenticated, remote attacker could exploit the vulnerability by convincing a user to visit a malicious website. Successful exploitation could allow the attacker to access sensitive information, such as memory addresses of objects, that could be used to conduct further attacks.

Microsoft has not confirmed the vulnerability and software updates are unavailable.
 
Warning Indicators
Microsoft Internet Explorer versions 9 and 10 are vulnerable.
 
IntelliShield Analysis
To exploit the vulnerability, the attacker may provide a link that directs a user to a malicious site and use misleading language or instructions to persuade the user to follow the provided link.
 
Vendor Announcements
Vendor announcements are not available.
 
Impact
An unauthenticated, remote attacker could exploit the vulnerability to access sensitive information that could be used to launch additional attacks on the targeted system.
 
Technical Information
The vulnerability is due the improper use of marked bits in object structures used by the affected software. As a result, some objects may improperly release into memory, which may leak the object address.

An unauthenticated, remote attacker could exploit the vulnerability by convincing a user to visit a malicious website. Successful exploitation could allow the attacker to access sensitive information, such as memory addresses of objects, that could be used to conduct further attacks.
 
Safeguards
Administrators are advised to contact the vendor regarding future updates and releases.

Administrators are advised to allow only trusted users to have network access.

Administrators are advised to monitor affected systems.
 
Patches/Software
Software updates are not available.

Signatures
 
Cisco Intrusion Prevention System (IPS) 6.0
Signature IDSignature NameReleaseLatest Release Date
2655/0Microsoft Internet Explorer Information Disclosure VulnerabilityS7472013 Oct 09 
 
Alert History
 
Initial Release


Product Sets
 
The security vulnerability applies to the following combinations of products.

Primary Products:
Microsoft, Inc.Internet Explorer 9.0 Base | 10.0 Base

Associated Products:
N/A




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LEGAL DISCLAIMER
The urgency and severity ratings of this alert are not tailored to individual users; users may value alerts differently based upon their network configurations and circumstances. THE ALERT, AND INFORMATION CONTAINED THEREIN, ARE PROVIDED ON AN "AS IS" BASIS AND DO NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE ALERT, AND INFORMATION CONTAINED THEREIN, OR MATERIALS LINKED FROM THE ALERT, IS AT YOUR OWN RISK. INFORMATION IN THIS ALERT AND ANY RELATED COMMUNICATIONS IS BASED ON OUR KNOWLEDGE AT THE TIME OF PUBLICATION AND IS SUBJECT TO CHANGE WITHOUT NOTICE. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE ALERTS AT ANY TIME.
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