Command Injection in qbittorrent-nox (Alpine package)

Published: 2019-08-30

Risk	High
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2019-13640
CWE-ID	CWE-77
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	qbittorrent-nox (Alpine package) Operating systems & Components / Operating system package or component
Vendor	Alpine Linux Development Team

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Command Injection

EUVDB-ID: #VU20394

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-13640

CWE-ID: CWE-77 - Command injection

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary commands on the target system.

The vulnerability exists due to the "Application::runExternalProgram()" function in "app/application.cpp" allows command injection via shell metacharacters in the torrent name parameter. A remote attacker can inject arbitrary commands via a crafted name within an RSS feed and execute arbitrary code on the target system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

qbittorrent-nox (Alpine package): 4.1.3-r0 - 4.1.6-r2

External links

http://git.alpinelinux.org/aports/commit/?id=73289ae717b84a73a44c2eb1b96e108a58ef6e59
http://git.alpinelinux.org/aports/commit/?id=6745381a2cb7575498af9170c2e54648d297633e

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.