#VU95129 Path traversal in Calibre - CVE-2024-6781

Vulnerability identifier: #VU95129

Vulnerability risk: High

CVSSv4.0: 7.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Amber]

CVE-ID: CVE-2024-6781

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Calibre
Client/Desktop applications / Other client software

Vendor: Calibre

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 in cmd_export.py. A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Calibre: 7.15.0

---

External links
https://starlabs.sg/advisories/24/24-6781/

---

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.