ZDI-23-1165: 7-Zip 7Z File Parsing Integer Underflow Remote Code Execution Vulnerability

Published Aug 23, 2023
·
Updated

This vulnerability allows remote attackers to execute arbitrary code on affected installations of 7-Zip. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

Affected Software

1 affected component
7-Zip 7-Zip

Event History

Aug 23, 2023
Advisory Published
05:00 AM
Data Sourced
05:00 AM
Description
Feb 27, 2025
Advisory Published
via ZDI·05:06 AM

Frequently Asked Questions

1

What is the vulnerability ID of this issue?

The vulnerability ID of this issue is ZDI-23-1165.

2

What is the severity of the ZDI-23-1165 vulnerability?

The severity of the ZDI-23-1165 vulnerability is high, with a severity value of 7.8.

3

What is the affected software for the ZDI-23-1165 vulnerability?

The affected software for the ZDI-23-1165 vulnerability is 7-Zip 7-Zip.

4

How can this vulnerability be exploited?

This vulnerability can be exploited by remote attackers executing arbitrary code on affected installations of 7-Zip through user interaction such as visiting a malicious page or opening a malicious file.

5

Where can I find more information about the ZDI-23-1165 vulnerability?

You can find more information about the ZDI-23-1165 vulnerability at the following references: [1] http://www.zerodayinitiative.com/advisories/ZDI-23-1165/, [2] https://sourceforge.net/p/sevenzip/discussion/45797/thread/713c8a8269/, [3] https://www.zerodayinitiative.com/advisories/ZDI-23-1165/

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