CVE-2020-7468 Privilege escalation in FreeBSD
An authenticated FTP user can escape the file system sandbox and gain root privileges due to a bug in FreeBSD's ftpd implementation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-7468?
CVE-2020-7468 is a high-severity vulnerability in Freebsd Freebsd, published on 26 Mar 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
In FreeBSD 12.2-STABLE before r365772, 11.4-STABLE before r365773, 12.1-RELEASE before p10, 11.4-RELEASE before p4 and 11.3-RELEASE before p14 a ftpd(8) bug in the implementation of the file system sandbox, combined with capabilities available to an authenticated FTP user, can be used to escape the file system restriction configured in ftpchroot(5). Moreover, the bug allows a malicious client to gain root privileges.
Which versions are affected by CVE-2020-7468?
It affects 1 product.
Products include Freebsd Freebsd.
How do I fix CVE-2020-7468?
No fix has been published for CVE-2020-7468 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-7468 being exploited?
There is no known exploitation of CVE-2020-7468 in the wild and no public exploit code.
Other vulnerabilities in Freebsd Freebsd
Sources
Also known as GHSA-q43g-2mjv-6vhh.