CVE-2025-1240: WinZip 7Z File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
First published: Tue Feb 11 2025(Updated: )
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.
Credit: zdi-disclosures@trendmicro.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| WinZip | ||
| Corel WinZip |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2025-1240?
CVE-2025-1240 is classified as a critical severity vulnerability due to its potential for remote code execution.
How do I fix CVE-2025-1240?
To fix CVE-2025-1240, ensure you update WinZip to the latest version available that addresses this vulnerability.
What type of vulnerability is CVE-2025-1240?
CVE-2025-1240 is an out-of-bounds write vulnerability that can lead to remote code execution.
Who is affected by CVE-2025-1240?
CVE-2025-1240 affects users of WinZip installations that have not been updated to mitigate this vulnerability.
Is user interaction required to exploit CVE-2025-1240?
Yes, user interaction is required as the target must visit a malicious website to exploit CVE-2025-1240.
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