SB2019050922 - Improper Authentication in qBittorrent

Description

This security bulletin contains information about 1 security vulnerability.

1) Improper Authentication (CVE-ID: CVE-2017-12778)

The vulnerability allows a local authenticated user to read and manipulate data.

** DISPUTED ** The UI Lock feature in qBittorrent version 3.3.15 is vulnerable to Authentication Bypass, which allows Attack to gain unauthorized access to qBittorrent functions by tampering the affected flag value of the config file at the C:Users<username>RoamingqBittorrent pathname. The attacker must change the value of the "locked" attribute to "false" within the "Locking" stanza. NOTE: This is an intended behavior. See https://github.com/qbittorrent/qBittorrent/wiki/I-forgot-my-UI-lock-password.

Remediation

Install update from vendor's website.

References

• http://archive.is/eF2GR
• https://github.com/qbittorrent/qBittorrent/wiki/I-forgot-my-UI-lock-password
• https://medium.com/@BaYinMin/cve-2017-12778-qbittorrent-ui-lock-authentication-bypass-30959ff55ada