#VU5888 Security bypass in Microsoft Internet Explorer - CVE-2014-4140

Vulnerability identifier: #VU5888

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

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
https://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.