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
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.