Vulnerability identifier: #VU5888

Vulnerability risk: Low

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2014-4140

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Microsoft Internet Explorer
Client/Desktop applications / Web browsers

Vendor: Microsoft

Description
The vulnerabiity allows a remote attacker to bypass security restrictions on the target system.

The weakness exists due to failure to use Address Space Layout Randomization (ASLR). A remote attacker can create a specially crafted Web site, trick the victim into visiting it and bypass ASLR security mechanism.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Microsoft Internet Explorer: 8 - 11

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External links
http://technet.microsoft.com/en-us/library/security/ms14-056.aspx

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.