Remote code execution in Microsoft Silverlight



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2017-0108
CWE-ID CWE-119
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 Microsoft Silverlight
Client/Desktop applications / Plugins for browsers, ActiveX components

Vendor Microsoft

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Memory corruption

EUVDB-ID: #VU6060

Risk: High

CVSSv3.1: 9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2017-0108

CWE-ID: CWE-119 - Memory corruption

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to improper handling of objects in memory by Windows Graphics Device Interface (GDI). A remote attacker can create a specially crafted Web site containing a malicious Word content, trick the victim into visiting it and execute arbitrary code with privileges of the current user.

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

Mitigation

Install update from vendor's website.

Vulnerable software versions

Microsoft Silverlight: 5

CPE2.3 External links

http://technet.microsoft.com/en-us/library/security/MS17-013


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, proof of concept for this vulnerability is available.



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