Advisory Details

December 20th, 2023

Linux Mint Xreader CBT File Parsing Argument Injection Remote Code Execution Vulnerability

ZDI-23-1836
ZDI-CAN-22132

CVE ID CVE-2023-44452
CVSS SCORE 7.8, AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AFFECTED VENDORS Linux Mint
AFFECTED PRODUCTS Xreader
VULNERABILITY DETAILS

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 CBT files. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of the current user.

ADDITIONAL DETAILS Linux Mint has issued an update to correct this vulnerability. More details can be found at:
https://github.com/linuxmint/xreader/commit/cd678889ecfe4e84a5cbcf3a0489e15a5e2e3736
DISCLOSURE TIMELINE
  • 2023-09-27 - Vulnerability reported to vendor
  • 2023-12-20 - Coordinated public release of advisory
CREDIT Febin Mon Saji
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