Signature Detail
Sid 2100230
Summary Microsoft Internet Explorer 8 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing an object that was not properly allocated or is deleted.
Impact Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service.
Detailed Information This is a remote code execution vulnerability. The vulnerability exists in the way that Internet Explorer accesses an object in memory that has been deleted or has not been properly allocated. The vulnerability may corrupt memory in a way that could allow an attacker to execute arbitrary code in the context of the current user within Internet Explorer.A use-after-free condition occurs when a CGenericElement object is freed, but a reference is kept on the Document and used again during rendering, an invalid memory thats controllable is used, and allows arbitrary code execution under the context of the user.
Affected Systems Internet Explorer 8
Attack Scenarios An attacker could host a specially crafted website that is designed to exploit this vulnerability through Internet Explorer and then convince a user to view the website.
Ease of Attack Expoits publicly available.
False Positives None Known
False Negatives None Known
Corrective Action Configure your security Devices to detect and block this exploit.
Contributors Cyberoam Threat Research Labs
Additional References http://technet.microsoft.com/en-us/security/advisory/2847140