Vulnerability · Published May 3, 2024 · Assigned by zdi

CVE-2023-44451Linux Mint Xreader EPUB File Parsing Directory Traversal Remote Code Execution Vulnerability

High 7.8

In plain English

A high-severity path traversal in Xreader from Linux Mint. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.8% (higher than 78% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.

Severity (CVSS 3.0)7.8High

Exploit odds (30 days)1.8%top 21.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack tooling1Public PoC

Official description

Linux Mint Xreader EPUB File Parsing Directory Traversal Remote Code Execution Vulnerability. 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. Was ZDI-CAN-21897.

Affected products (as reported)

Vendor	Product	Versions
Linux Mint	Xreader	3.8.2

Weakness: CWE-22 · Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

ZDI-23-1835 x_research-advisory
vendor-provided URL vendor-advisory