Vulnerability identifier: #VU5570

Vulnerability risk: High

CVSSv3.1: 8.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2015-2510

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Windows
Operating systems & Components / Operating system
Windows Server
Operating systems & Components / Operating system
Microsoft Office
Client/Desktop applications / Office applications
Microsoft Lync
Client/Desktop applications / Messaging software
Skype for Business
Client/Desktop applications / Messaging software

Vendor: Microsoft

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

The weakness exists due to buffer overflow when handling of OpenType fonts (OTF) in Adobe Type Manager Library. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability may result in full control of the vulnerable system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Windows: Vista

Windows Server: 2008

Microsoft Office: 2010, 2007

Microsoft Lync:

Skype for Business: 2016

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External links
http://technet.microsoft.com/en-us/library/security/ms15-097

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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.