ZDI-CAN-24986: WinZip 7Z File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

Published 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.

Other sources

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 ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2025-1240.

ZDI

Affected Software

2 affected components
WinZip Computing WinZip
Winzip Winzip

Event History

Feb 11, 2025
Advisory Published
via ZDI·06:00 AM
Data Sourced
via ZDI·06:00 AM
Description
Feb 15, 2025
Advisory Published
via ZDI·10:02 PM
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Frequently Asked Questions

1

What is the severity of ZDI-CAN-24986?

The severity of ZDI-CAN-24986 is rated at 7.8 on the CVSS scale, indicating a high-risk vulnerability.

2

How do I fix ZDI-CAN-24986?

To fix ZDI-CAN-24986, ensure that you update to the latest version of WinZip that addresses this vulnerability.

3

What kind of attacks does ZDI-CAN-24986 enable?

ZDI-CAN-24986 enables remote attackers to execute arbitrary code by exploiting user interaction through malicious pages or files.

4

Is user interaction required to exploit ZDI-CAN-24986?

Yes, user interaction is required as the target must visit a malicious page or open a malicious file.

5

Which software is affected by ZDI-CAN-24986?

The affected software for ZDI-CAN-24986 is WinZip.

Contact

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