In qBittorrent before 4.1.7, the function Application::runExternalProgram() located in app/application.cpp allows command injection via shell metacharacters in the torrent name parameter or current tracker parameter, as demonstrated by remote command execution via a crafted name within an RSS feed.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - In qBittorrent before 4.1.7, the function Application::runExternalProgram() located in app/application.cpp     allows command injection via shell metacharacters in the torrent name parameter or current tracker     parameter, as demonstrated by remote command execution via a crafted name within an RSS feed.
    (CVE-2019-13640)

Note that Nessus relies on the presence of the package as reported by the vendor.

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - In qBittorrent before 4.1.7, the function Application::runExternalProgram() located in app/application.cpp
    allows command injection via shell metacharacters in the torrent name parameter or current tracker
    parameter, as demonstrated by remote command execution via a crafted name within an RSS feed.
    (CVE-2019-13640)

Miguel Onoro reported that qbittorrent, a bittorrent client with a Qt5 GUI user interface, allows command injection via shell metacharacters in the torrent name parameter or current tracker parameter, which could result in remote command execution via a crafted name within an RSS feed if qbittorrent is configured to run an external program on torrent completion.

Update to 4.1.7

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

This update for qbittorrent fixes the following issues :

  - CVE-2019-13640: avoid command injection (boo#1141967)

ID	Name	Product	Family	Severity
250862	Linux Distros Unpatched Vulnerability : CVE-2019-13640	Nessus	Misc.	critical
406782	Alpine: multiple qbittorrent packages: security update to 4.1.6-r3	Tenable Cloud Security	Alpine Linux Local Security Checks	critical
406782	Alpine: multiple qbittorrent packages: security update to 4.1.6-r3	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	critical
400520	Alpine: qbittorrent-nox: security update to 4.1.6-r2 (deprecated)	Tenable Cloud Security	Alpine Linux Local Security Checks	critical
400520	Alpine: qbittorrent-nox: security update to 4.1.6-r2 (deprecated)	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	critical
135191	Debian DSA-4650-1 : qbittorrent - security update	Nessus	Debian Local Security Checks	critical
129032	Fedora 29 : 1:qbittorrent (2019-ce6c6de3cc)	Nessus	Fedora Local Security Checks	critical
129028	Fedora 30 : 1:qbittorrent (2019-2cb551904b)	Nessus	Fedora Local Security Checks	critical
128143	openSUSE Security Update : qbittorrent (openSUSE-2019-2005)	Nessus	SuSE Local Security Checks	critical

Detections

Analytics

CVE-2019-13640

critical

Tenable Plugins

critical

critical

critical

critical

critical

critical

critical

critical

critical