Buffer overflow in Microsoft Excel and Microsoft Office Compatibility Pack - CVE-2017-11878

 

Buffer overflow in Microsoft Excel and Microsoft Office Compatibility Pack - CVE-2017-11878

Published: November 14, 2017 / Updated: November 14, 2017


Vulnerability identifier: #VU9296
CSH Severity: High
CVSS v4.0: 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/E:U/U:Amber
CVE-ID: CVE-2017-11878
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Microsoft
Affected software:
Microsoft Excel
Microsoft Office Compatibility Pack

Detailed vulnerability description

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

The vulnerability exists due to boundary error when processing Excel files. A remote unauthenticated attacker can create a specially crafted Excel file, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2017-11878

Install updates from vendor's website.

Sources