1) Memory corruption

Severity: Critical

CVSSv3: 8.9 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:F/RL:O/RC:C] [PCI]

CVE-ID: CVE-2013-3906

CWE-ID: CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

Description

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

The weakness exists due to boundary error when handling malicious images. A remote attacker can create specially crafted TIFF image 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 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 Server: 2008

Windows: Vista

Microsoft Office: 2003, 2007, 2010

Microsoft PowerPoint: 2010

Microsoft Lync: 2010, 2013

Microsoft Excel: Viewer

CPE

• cpe:/a:microsoft:windows_server:2008:
• cpe:/a:microsoft:windows:Vista:
• cpe:/a:microsoft:microsoft_office:2010:
• cpe:/a:microsoft:microsoft_office:2007:
• cpe:/a:microsoft:microsoft_office:2003:
• cpe:/a:microsoft:microsoft_powerpoint:2010:
• cpe:/a:microsoft:microsoft_lync:2013:
• cpe:/a:microsoft:microsoft_lync:2010:
• cpe:/a:microsoft:microsoft_excel:Viewer :

External links

https://technet.microsoft.com/en-us/library/security/ms13-096

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, a fully functional exploit for this vulnerability is available.