#VU5046 Type Traversal Vulnerability in Microsoft .NET Framework - CVE-2014-0257


| Updated: 2018-09-14

Vulnerability identifier: #VU5046

Vulnerability risk: Medium

CVSSv4.0: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Green]

CVE-ID: CVE-2014-0257

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Microsoft .NET Framework
Server applications / Frameworks for developing and running applications

Vendor: Microsoft

Description
The vulnerability allows a remote attacker to bypass certain security restrictions.

The weakness exists due to the failure to properly verify safety of a method for execution within Microsoft .NET Framework. A remote attacker can run a specially crafted Web site, trick the victim into visiting it and gain elevated privileges and execute arbitrary code.

Successful exploitation of the vulnerability results in arbitrary code execution on the vulnerable system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Microsoft .NET Framework: 1.1, 2.0, 3.5 - 3.5.1, 4.0, 4.5.1


External links
https://technet.microsoft.com/en-us/library/security/ms14-009


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. However, a fully functional exploit for this vulnerability is available.


Latest bulletins with this vulnerability