Vulnerability identifier: #VU84984
Vulnerability 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:
CWE-ID:
CWE-22
Exploitation vector: Network
Exploit availability: Yes
Vulnerable software:
Xreader
Client/Desktop applications /
Other client software
Vendor: Linux Mint
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
External links
https://www.zerodayinitiative.com/advisories/ZDI-23-1835/
https://github.com/linuxmint/xreader/commit/141f1313745b9cc73670df51ac145165efcbb14a
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.