CVE-2019-8936 Null dereference in n/a
A NULL pointer dereference in the NTP daemon allows attackers to cause a denial of service condition.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-8936?
CVE-2019-8936 is a high-severity vulnerability in Fedoraproject Fedora, published on 15 May 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
NTP through 4.2.8p12 has a NULL Pointer Dereference.
Weakness: CWE-476
Which versions are affected by CVE-2019-8936?
It affects 6 products.
Linux distribution packages (19)
ntp SUSE:Enterprise Storage 4 | All versions | 4.2.8p13-85.1 |
ntp SUSE:Linux Enterprise Desktop 12 SP3 | All versions | 4.2.8p13-85.1 |
ntp SUSE:Linux Enterprise Desktop 12 SP4 | All versions | 4.2.8p13-85.1 |
ntp SUSE:Linux Enterprise Module for Legacy 15 | All versions | 4.2.8p13-4.6.1 |
ntp SUSE:Linux Enterprise Point of Sale 11 SP3 | All versions | 4.2.8p13-48.27.1 |
ntp SUSE:Linux Enterprise Server 11 SP4 | All versions | 4.2.8p13-64.13.1 |
ntp SUSE:Linux Enterprise Server 12 SP1-LTSS | All versions | 4.2.8p13-85.1 |
ntp SUSE:Linux Enterprise Server 12 SP2-BCL | All versions | 4.2.8p13-85.1 |
ntp SUSE:Linux Enterprise Server 12 SP2-LTSS | All versions | 4.2.8p13-85.1 |
ntp SUSE:Linux Enterprise Server 12 SP3 | All versions | 4.2.8p13-85.1 |
ntp SUSE:Linux Enterprise Server 12 SP4 | All versions | 4.2.8p13-85.1 |
ntp SUSE:Linux Enterprise Server 12-LTSS | All versions | 4.2.8p13-46.32.1 |
ntp SUSE:Linux Enterprise Server for SAP Applications 11 SP4 | All versions | 4.2.8p13-64.13.1 |
ntp SUSE:Linux Enterprise Server for SAP Applications 12 SP1 | All versions | 4.2.8p13-85.1 |
ntp SUSE:Linux Enterprise Server for SAP Applications 12 SP2 | All versions | 4.2.8p13-85.1 |
ntp SUSE:Linux Enterprise Server for SAP Applications 12 SP3 | All versions | 4.2.8p13-85.1 |
ntp SUSE:Linux Enterprise Server for SAP Applications 12 SP4 | All versions | 4.2.8p13-85.1 |
ntp SUSE:OpenStack Cloud 7 | All versions | 4.2.8p13-85.1 |
ntp openSUSE:Leap 15.0 | All versions | 4.2.8p13-lp150.8.1 |
Products include Fedoraproject Fedora, Hpe Hpux-Ntp, Netapp Clustered Data Ontap, Netapp Data Ontap, Ntp Ntp, Opensuse Leap.
How do I fix CVE-2019-8936?
Apply the vendor's patch.
Is CVE-2019-8936 being exploited?
There is no known exploitation of CVE-2019-8936 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in Fedoraproject Fedora
Sources
Also known as DEBIAN-CVE-2019-8936, GHSA-54w8-prj8-6v5f, MGASA-2019-0140, SUSE-SU-2019:0775-1, SUSE-SU-2019:0777-1, SUSE-SU-2019:0789-1 and 6 more.