CVE-2019-15541 Denial of service in n/a
Attackers can cause a denial of service in the rustls example server by preventing client writability, leading to an infinite event loop.
- 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-2019-15541?
CVE-2019-15541 is a high-severity denial of service vulnerability in n/a, published on 26 Aug 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
rustls-mio/examples/tlsserver.rs in the rustls crate before 0.16.0 for Rust allows attackers to cause a denial of service (loop of conn_event and ready) by arranging for a client to never be writable.
Weakness: CWE-88
Which versions are affected by CVE-2019-15541?
It affects 1 product.
Products include Rustls Project Rustls.
How do I fix CVE-2019-15541?
No fix has been published for CVE-2019-15541 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-2019-15541 being exploited?
There is no known exploitation of CVE-2019-15541 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-888v-c6vc-wh7r.