CVE-2020-13775 Null dereference in n/a
Authenticated users can crash the ZNC IRC bouncer via a NULL pointer dereference when echo-message is disabled and no network is configured.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-13775?
CVE-2020-13775 is a medium-severity vulnerability in Fedoraproject Fedora, published on 2 Jun 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
ZNC 1.8.0 up to 1.8.1-rc1 allows authenticated users to trigger an application crash (with a NULL pointer dereference) if echo-message is not enabled and there is no network.
Weakness: CWE-476
Which versions are affected by CVE-2020-13775?
It affects 2 products.
Products include Fedoraproject Fedora, Znc Znc.
How do I fix CVE-2020-13775?
Upgrade to a fixed version.
Is CVE-2020-13775 being exploited?
There is no known exploitation of CVE-2020-13775 in the wild and no public exploit code.
Other vulnerabilities in Fedoraproject Fedora
Sources
Also known as DEBIAN-CVE-2020-13775, GHSA-853m-wxj4-w3h5, MGASA-2020-0316, UBUNTU-CVE-2020-13775.