CVE-2020-25582 Race condition in FreeBSD
A race condition in FreeBSD allows a jailed root to escape the jail via ptrace before the working directory changes, leading to privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-25582?
CVE-2020-25582 is a high-severity vulnerability in Freebsd Freebsd, published on 26 Mar 2021. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
In FreeBSD 12.2-STABLE before r369334, 11.4-STABLE before r369335, 12.2-RELEASE before p4 and 11.4-RELEASE before p8 when a process, such as jexec(8) or killall(1), calls jail_attach(2) to enter a jail, the jailed root can attach to it using ptrace(2) before the current working directory is changed.
Weakness: CWE-362
Which versions are affected by CVE-2020-25582?
It affects 1 product.
Products include Freebsd Freebsd.
How do I fix CVE-2020-25582?
No fix has been published for CVE-2020-25582 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-25582 being exploited?
There is no known exploitation of CVE-2020-25582 in the wild and no public exploit code.
Other vulnerabilities in Freebsd Freebsd
Sources
Also known as GHSA-2jmw-7gh4-3h48.