Buffer overflow in Microsoft Office and Microsoft Office for macOS - CVE-2013-1331

Vulnerability identifier: #VU4342

CSH Severity: Critical

CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2013-1331

CWE-ID: CWE-119

Exploitation vector: Remote access

Exploit availability: The vulnerability is being exploited in the wild

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

The weakness exists due to buffer overflow when processing malicious PNG files. A remote attacker can create specially crafted file, trick the victim into opening it using an affected version of Microsoft Office, 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.

Microsoft Office
Microsoft Office for macOS

Install update from vendor's website:

Microsoft Office 2003 Service Pack 3:
https://www.microsoft.com/downloads/details.aspx?familyid=1acd93fa-e6d6-44b1-86de-4fbb464d0e6c
Microsoft Office for Mac 2011:
https://www.microsoft.com/downloads/details.aspx?familyid=8bb70e5c-a3b1-4618-8295-2721b78f1d5f

• https://technet.microsoft.com/en-us/library/security/ms13-051.aspx

• Remote code execution in Microsoft Office