#VU5538 Security bypass in Microsoft Internet Explorer


Published: 2017-01-30

Vulnerability identifier: #VU5538

Vulnerability risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2015-2421

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. A remote attacker can create a specially crafted Web site, trick the victim into visiting, bypass ASLR mechanism and obtain potentially sensitive information.

Successful exploitation of this vulnerability results in security bypass on the vulnerable system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Microsoft Internet Explorer: 6 - 11


External links
http://technet.microsoft.com/en-us/library/security/ms15-065.aspx


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.


Latest bulletins with this vulnerability