Multiple vulnerabilities in Linux Mint Xreader

Published: 2024-01-04 | Updated: 2024-06-21

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2023-44451 CVE-2023-44452
CWE-ID	CWE-22 CWE-20
Exploitation vector	Network
Public exploit	Public exploit code for vulnerability #1 is available. Public exploit code for vulnerability #2 is available.
Vulnerable software	Xreader Client/Desktop applications / Other client software
Vendor	Linux Mint

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Path traversal

EUVDB-ID: #VU84984

Risk: High

CVSSv4.0: 7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber]

CVE-ID: CVE-2023-44451

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences. A remote attacker can trick a victim to open a specially crafted EPUB file and read arbitrary files on the system, leading to arbitrary code execution.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Xreader: 1.0.1 - 3.8.4

CPE2.3

External links

https://www.zerodayinitiative.com/advisories/ZDI-23-1835/
https://github.com/linuxmint/xreader/commit/141f1313745b9cc73670df51ac145165efcbb14a

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.

2) Input validation error

EUVDB-ID: #VU84986