CVE-2020-27978 Denial of service in n/a
Remote unauthenticated attackers can cause denial of service via Java heap exhaustion in Shibboleth Identity Provider login flows.
- 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-2020-27978?
CVE-2020-27978 is a high-severity denial of service vulnerability in n/a, published on 28 Oct 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Shibboleth Identify Provider 3.x before 3.4.6 has a denial of service flaw. A remote unauthenticated attacker can cause a login flow to trigger Java heap exhaustion due to the creation of objects in the Java Servlet container session.
Weakness: CWE-770
Which versions are affected by CVE-2020-27978?
It affects 1 product.
Products include Shibboleth Identity Provider.
How do I fix CVE-2020-27978?
No fix has been published for CVE-2020-27978 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-2020-27978 being exploited?
There is no known exploitation of CVE-2020-27978 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-x3qc-wj2q-xv5h.