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

Quick assessment

Affected
WinZip Computing WinZip
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WinZip是WinZip公司的一款功能强大的压缩和加密工具。 WinZip存在缓冲区错误漏洞，该漏洞源于缺乏对用户提供的数据的正确验证。攻击者利用该漏洞可以在当前进程环境中执行代码。

AI Predicted 7.8 Difficulty: Hard EPSS 10.31% · P96
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I. Basic Information for CVE-2025-1240

Vulnerability Information
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Vulnerability Title
WinZip 7Z File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
WinZip 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WinZip是WinZip公司的一款功能强大的压缩和加密工具。 WinZip存在缓冲区错误漏洞，该漏洞源于缺乏对用户提供的数据的正确验证。攻击者利用该漏洞可以在当前进程环境中执行代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
WinZip Computing WinZip 28.0 16022 -

II. Public POCs for CVE-2025-1240

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III. Intelligence Information for CVE-2025-1240

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Vendor Advisories for CVE-2025-1240 (1)

IV. Related Vulnerabilities

Same product: WinZip
Same vendor: WinZip Computing
Same weakness: CWE-787

V. Comments for CVE-2025-1240

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