What is the severity of ZDI-25-045?

The severity of ZDI-25-045 is considered critical due to the potential for remote code execution.

How do I fix ZDI-25-045?

To fix ZDI-25-045, update your 7-Zip installation to the latest version provided by the vendor.

What does ZDI-25-045 exploit?

ZDI-25-045 exploits a flaw that allows remote attackers to bypass the Mark-of-the-Web protection mechanism.

Is user interaction required to exploit ZDI-25-045?

Yes, user interaction is required for ZDI-25-045, as the target must visit a malicious page or open a malicious file.

What software is affected by ZDI-25-045?

ZDI-25-045 affects installations of the 7-Zip file archiver software.

Vulnerability/
ZDI-25-045

high

19/1/2025

24/1/2025

ZDI-25-045: 7-Zip Mark-of-the-Web Bypass Vulnerability

First published: Sun Jan 19 2025(Updated: )

This vulnerability allows remote attackers to bypass the Mark-of-the-Web protection mechanism 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. The specific flaw exists within the handling of archived files. When extracting files from a crafted archive that bears the Mark-of-the-Web, 7-Zip does not propagate the Mark-of-the-Web to the extracted files. An attacker can leverage this vulnerability to execute arbitrary code in the context of the current user.

Affected Software	Affected Version	How to fix
7-Zip
7-Zip

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Reference Links

Frequently Asked Questions

What is the severity of ZDI-25-045?
The severity of ZDI-25-045 is considered critical due to the potential for remote code execution.
How do I fix ZDI-25-045?
To fix ZDI-25-045, update your 7-Zip installation to the latest version provided by the vendor.
What does ZDI-25-045 exploit?
ZDI-25-045 exploits a flaw that allows remote attackers to bypass the Mark-of-the-Web protection mechanism.
Is user interaction required to exploit ZDI-25-045?
Yes, user interaction is required for ZDI-25-045, as the target must visit a malicious page or open a malicious file.
What software is affected by ZDI-25-045?
ZDI-25-045 affects installations of the 7-Zip file archiver software.

collector/zdi-published
source/ZDI
alias/ZDI-CAN-25456
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agent/type
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agent/guess-ai
agent/software-canonical-lookup
agent/trending
collector/zdi-advisory
alias/ZDI-25-045
alias/CVE-2025-0411
agent/severity
agent/references
agent/tags
agent/softwarecombine
agent/description
agent/event
vendor/7-zip
canonical/7-zip

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