CVE-2025-1240 HIGH

CVE-2025-1240: WinZip 7Z File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

Vendor Winzip Computing
Product WinZip
Weakness CWE-787
Published February 11, 2025
Last update February 12, 2025

CVSS base score

7.8/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

WinZip 7Z File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of WinZip. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of 7Z files. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-24986.

Key dates

02Disclosure timeline

February 11, 2025 CVE published
February 12, 2025 Record updated