CVE-2018-20031 Denial of service in FlexNet Publisher
Remote attackers can cause a denial of service in FlexNet Publisher by disrupting the heartbeat between lmgrd and the vendor daemon.
- 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-2018-20031?
CVE-2018-20031 is a high-severity denial of service vulnerability in Flexera Software LLC FlexNet Publisher, published on 21 Mar 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A Denial of Service vulnerability related to preemptive item deletion in lmgrd and vendor daemon components of FlexNet Publisher version 11.16.1.0 and earlier allows a remote attacker to send a combination of messages to lmgrd or the vendor daemon, causing the heartbeat between lmgrd and the vendor daemon to stop, and the vendor daemon to shut down.
Which versions are affected by CVE-2018-20031?
It affects 2 products.
Products include Flexera Flexnet Publisher, Oracle Communications Lsms.
How do I fix CVE-2018-20031?
No fix has been published for CVE-2018-20031 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-2018-20031 being exploited?
There is no known exploitation of CVE-2018-20031 in the wild and no public exploit code.
Other vulnerabilities in Flexera Software LLC FlexNet Publisher
Sources
Also known as GHSA-8fjj-rxr3-pvqg.