Vulnerability identifier: #VU5029
Vulnerability risk: High
CVSSv4.0: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:A/U:Amber]
CVE-ID:
CWE-ID:
CWE-264
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Microsoft .NET Framework
Server applications /
Frameworks for developing and running applications
Vendor: Microsoft
Description
The vulnerability allows a remote attacker to bypass security restrictions on the target system.
The weakness exists due to missing Address Space Layout Randomization (ASLR) features in certain components. A remote attacker can create a specially crafted Web site, trick the victim into opening it, bypass security restrictions and execute another attack.
Successful exploitation of the vulnerability results in security bypass on the vulnerable system.
Note: the vulnerability was being actively exploited.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Microsoft .NET Framework: 1.1, 3.5.1
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.