Zero-day vulnerability in Microsoft WordPad

Stack-based buffer overflow

Known malware:

Exploit: Win32/CVE-2008-4841

Vulnerability details

Advisory: SB2008120902 - Remote code execution in Microsoft Word

Vulnerable component: Microsoft WordPad

CVE-ID: CVE-2008-4841

CVSSv3 score: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C

CWE-ID: CWE-121 - Stack-based buffer overflow


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

The weakness exists due to stack overflow when parsing a malicious document. A remote attacker can create a specially crafted Word file containing a malformed list structure, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system 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.

Public Exploits: