CVE-2019-7306 Byobu apport hook uploads user's ~/.screenrc
Byobu's Apport hook automatically uploads the user's .screenrc file, potentially exposing sensitive credentials and hostnames to support servers.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2019-7306?
CVE-2019-7306 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 17 Apr 2020. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Byobu Apport hook may disclose sensitive information since it automatically uploads the local user's .screenrc which may contain private hostnames, usernames and passwords. This issue affects: byobu
Weakness: CWE-552
Which versions are affected by CVE-2019-7306?
It affects 2 products.
Products include Byobu Byobu, Canonical Ubuntu Linux.
How do I fix CVE-2019-7306?
Apply the vendor's patch.
Is CVE-2019-7306 being exploited?
There is no known exploitation of CVE-2019-7306 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2019-7306, GHSA-2rpx-jj49-wf29, UBUNTU-CVE-2019-7306, USN-5234-1.