#VU5547 Memory corruption in Windows and Windows Server - CVE-2015-2387

Vulnerability identifier: #VU5547

Vulnerability risk: Medium

CVSSv4.0: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Green]

CVE-ID: CVE-2015-2387

CWE-ID: CWE-119

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Windows
Operating systems & Components / Operating system
Windows Server
Operating systems & Components / Operating system

Vendor: Microsoft

Description
The vulnerability allows a local attacker to gain elevated privileges on the target system.

The weakness exists due to boundary error in the Adobe Type Manager module (ATMFD.dll). A local attacker can execute a specially crafted application, trigger memory corruption, bypass OS-level sandboxing and execute arbitrary code with SYSTEM privileges.

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

Note: the vulnerability was being actively exploited.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Windows: Vista, RT, 7, 8 - 8.1

Windows Server: 2003, 2008 R2 - 2008, 2012 R2 - 2012

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External links
https://technet.microsoft.com/en-us/library/security/ms15-077.aspx

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.