CVE-2019-15522 Security feature bypass in n/a
Attackers can bypass SSL enforcement in csync2 by exploiting a missing failure check in the hello command, potentially exposing data in transit.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-15522?
CVE-2019-15522 is a critical vulnerability in n/a, published on 20 Mar 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered in LINBIT csync2 through 2.0. csync_daemon_session in daemon.c neglects to force a failure of a hello command when the configuration requires use of SSL.
Which versions are affected by CVE-2019-15522?
It affects 1 product.
Linux distribution packages (1)
csync2 SUSE:Linux Enterprise High Availability Extension 11 SP4 | All versions | 1.34-0.13.7.1 |
Products include Linbit Csync2.
How do I fix CVE-2019-15522?
Apply the vendor's patch.
Is CVE-2019-15522 being exploited?
There is no known exploitation of CVE-2019-15522 in the wild and no public exploit code.
Sources
Also known as CLEANSTART-2023-MQ78047, DEBIAN-CVE-2019-15522, GHSA-384j-hgrr-qp35, SUSE-SU-2021:14763-1, UBUNTU-CVE-2019-15522.