CVE-2019-12435 Null dereference in n/a
A NULL pointer dereference in the Samba AD DC DNS server allows remote attackers to cause a denial of service.
- 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-2019-12435?
CVE-2019-12435 is a medium-severity vulnerability in Samba Samba, published on 19 Jun 2019. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Samba 4.9.x before 4.9.9 and 4.10.x before 4.10.5 has a NULL pointer dereference, leading to Denial of Service. This is related to the AD DC DNS management server (dnsserver) RPC server process.
Weakness: CWE-476
Which versions are affected by CVE-2019-12435?
It affects 1 product.
Linux distribution packages (5)
samba SUSE:Enterprise Storage 6 | All versions | 4.9.5+git.176.375e1f05788-3.6.1 |
samba SUSE:Linux Enterprise High Availability Extension 15 SP1 | All versions | 4.9.5+git.176.375e1f05788-3.6.1 |
samba SUSE:Linux Enterprise Module for Basesystem 15 SP1 | All versions | 4.9.5+git.176.375e1f05788-3.6.1 |
samba SUSE:Linux Enterprise Module for Python 2 15 SP1 | All versions | 4.9.5+git.176.375e1f05788-3.6.1 |
samba openSUSE:Leap 15.1 | All versions | 4.9.5+git.176.375e1f05788-lp151.2.3.1 |
Products include Samba Samba.
How do I fix CVE-2019-12435?
Upgrade to a fixed version.
Is CVE-2019-12435 being exploited?
There is no known exploitation of CVE-2019-12435 in the wild and no public exploit code.
Other vulnerabilities in Samba Samba
Sources
Also known as ALPINE-CVE-2019-12435, DEBIAN-CVE-2019-12435, ECHO-04d0-db7e-8e8f, GHSA-8gjg-6f8w-gvhc, SUSE-SU-2019:1574-1, SUSE-SU-2019:1574-2 and 1 more.