CVE-2021-29629 Denial of service in FreeBSD
Missing message validation in libradius allows malicious clients or servers to trigger denial of service in FreeBSD systems.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-29629?
CVE-2021-29629 is a high-severity denial of service vulnerability in Freebsd Freebsd, published on 28 May 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In FreeBSD 13.0-STABLE before n245765-bec0d2c9c841, 12.2-STABLE before r369859, 11.4-STABLE before r369866, 13.0-RELEASE before p1, 12.2-RELEASE before p7, and 11.4-RELEASE before p10, missing message validation in libradius(3) could allow malicious clients or servers to trigger denial of service in vulnerable servers or clients respectively.
Weakness: CWE-20
Which versions are affected by CVE-2021-29629?
It affects 1 product.
Products include Freebsd Freebsd.
How do I fix CVE-2021-29629?
No fix has been published for CVE-2021-29629 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2021-29629 being exploited?
There is no known exploitation of CVE-2021-29629 in the wild and no public exploit code.
Other vulnerabilities in Freebsd Freebsd
Sources
Also known as GHSA-hmvq-2v7j-42hv, UBUNTU-CVE-2021-29629.