CVE-2020-7466 Denial of service in MPD: FreeBSD PPP daemon
Remote attackers can cause a denial of service in the FreeBSD PPP daemon by sending crafted authentication messages that trigger an out-of-bounds read.
- 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-2020-7466?
CVE-2020-7466 is a high-severity denial of service vulnerability in MPD: FreeBSD PPP daemon, published on 6 Oct 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The PPP implementation of MPD before 5.9 allows a remote attacker who can send specifically crafted PPP authentication message to cause the daemon to read beyond allocated memory buffer, which would result in a denial of service condition.
Weakness: CWE-125
Which versions are affected by CVE-2020-7466?
It affects 2 products.
Products include Mpd Project Mpd, Stormshield Stormshield Network Security.
How do I fix CVE-2020-7466?
No fix has been published for CVE-2020-7466 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-2020-7466 being exploited?
There is no known exploitation of CVE-2020-7466 in the wild and no public exploit code.
Other vulnerabilities in MPD: FreeBSD PPP daemon
Sources
Also known as GHSA-vxxg-v2c4-xg89.