ZDI-CAN-21897: ZDI-23-1835: Linux Mint Xreader EPUB File Parsing Directory Traversal Remote Code Execution Vulnerability

Published Dec 20, 2023
·
Updated

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Linux Mint Xreader. 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 EPUB files. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of the current user.

Other sources

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Linux Mint Xreader. 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-2023-44451.

Affected Software

1 affected component
Linux Mint Xreader

Event History

Dec 20, 2023
Advisory Published
06:00 AM
Data Sourced
06:00 AM
Description
Mar 24, 2025
Advisory Published
via ZDI·07:25 PM
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Frequently Asked Questions

1

What is the severity of ZDI-CAN-21897?

The severity of ZDI-CAN-21897 is categorized as high due to its potential for remote code execution.

2

How do I fix ZDI-CAN-21897?

To fix ZDI-CAN-21897, update to the latest version of Linux Mint Xreader that includes the necessary security patches.

3

Who is affected by ZDI-CAN-21897?

Users of Linux Mint Xreader are affected by ZDI-CAN-21897 if they interact with malicious files or webpages.

4

What types of attacks can ZDI-CAN-21897 enable?

ZDI-CAN-21897 can enable remote code execution attacks if exploited by an attacker.

5

What is required for an attacker to exploit ZDI-CAN-21897?

Exploitation of ZDI-CAN-21897 requires user interaction, prompting the target to visit a malicious page or open a harmful file.

Contact

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