CVE-2025-1240: 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.
Affected Software
Event History
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.