Vulnerability CVE-2017-0290
Published: 2017-05-09

Description:
The Microsoft Malware Protection Engine running on Microsoft Forefront and Microsoft Defender on Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 does not properly scan a specially crafted file leading to memory corruption, aka "Microsoft Malware Protection Engine Remote Code Execution Vulnerability."

See advisories in our WLB2 database:
Topic
Author
Date
High
Microsoft Security Essentials SCEP 'MsMpEng' Remotely Exploitable Type Confusion
Google Security ...
10.05.2017

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:N/AC:M/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
9.3/10
10/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Microsoft -> Malware protection engine 
Microsoft -> Windows defender 
Microsoft -> Forefront security 

 References:
http://www.securityfocus.com/bid/98330
http://www.securitytracker.com/id/1038419
http://www.securitytracker.com/id/1038420
https://0patch.blogspot.si/2017/05/0patching-worst-windows-remote-code.html
https://arstechnica.com/information-technology/2017/05/windows-defender-nscript-remote-vulnerability/
https://bugs.chromium.org/p/project-zero/issues/detail?id=1252
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0290
https://technet.microsoft.com/library/security/4022344
https://twitter.com/natashenka/status/861748397409058816
https://www.exploit-db.com/exploits/41975/
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