CVE-2017-12778 Auth bypass in n/a

High 7.1 Published Updated

Attackers can bypass the UI lock in qBittorrent by modifying the configuration file, gaining unauthorized access to application functions.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2017-12778?

CVE-2017-12778 is a high-severity authentication bypass vulnerability in n/a, published on 9 May 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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>\Roaming\qBittorrent 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

Weakness: CWE-287

Which versions are affected by CVE-2017-12778?

It affects 1 product.

Products include Qbittorrent Qbittorrent.

How do I fix CVE-2017-12778?

No fix has been published for CVE-2017-12778 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2017-12778 being exploited?

There is no known exploitation of CVE-2017-12778 in the wild and no public exploit code.

Sources

Also known as GHSA-4j9x-m99x-9xm4.

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