Vulnerability identifier: #VU8254
Vulnerability risk: Critical
CVSSv3.1: 9.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-20
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 execute arbitrary code on the target system.
The vulnerability exists due to uncpecified error when processing untrusted input. A remote unauthenticated attacker can execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Note: this vulnerability is being actively exploited in the wild.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Microsoft .NET Framework: 4.5.2, 4.6, 3.5.1, 4.6.1, 3.5, 2.0, 4.6.2 - 4.6.2/4.7/4.7.1, 4.7
External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8759
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?
Yes. This vulnerability is being exploited in the wild.