#VU5589 Type confusion in Hancom Office - CVE-2015-6585
Published: February 2, 2017 / Updated: November 20, 2020
Vulnerability identifier: #VU5589
Vulnerability risk: Critical
CVSSv4.0: 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:A/U:Red
CVE-ID: CVE-2015-6585
CWE-ID: CWE-843
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerable software:
Hancom Office
Hancom Office
Software vendor:
Hancom, Inc.
Hancom, Inc.
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to type confusion error. A remote attacker can create a specially crafted HWPX file containing a set of directories and XML files, trick the victim into opening it, cause memory corruption and execute arbitrary code with privileges of the current user.
Successful exploitation of this vulnerability may result in arbitrary code execution on the vulnerable system.
Note: this vulnerability is being actively exploited.
Remediation
Install update from vendor's website.