CVE-2021-46873 Race condition in n/a
An attacker can permanently disable a WireGuard private key by manipulating system time via unauthenticated NTP, causing a denial of service.
- 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-2021-46873?
CVE-2021-46873 is a medium-severity vulnerability in n/a, published on 29 Jan 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
WireGuard, such as WireGuard 0.5.3 on Windows, does not fully account for the possibility that an adversary might be able to set a victim's system time to a future value, e.g., because unauthenticated NTP is used. This can lead to an outcome in which one static private key becomes permanently useless.
Weakness: CWE-362
Which versions are affected by CVE-2021-46873?
It affects 1 product.
Products include Wireguard Wireguard.
How do I fix CVE-2021-46873?
No fix has been published for CVE-2021-46873 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-46873 being exploited?
There is no known exploitation of CVE-2021-46873 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-mv36-8276-2729, UBUNTU-CVE-2021-46873.