CVE-2017-20147 Denial of service in n/a
A local attacker can cause denial of service to arbitrary processes by manipulating the writable PID file in the SmokePing init script.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2017-20147?
CVE-2017-20147 is a medium-severity denial of service vulnerability in n/a, published on 20 Sep 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
In the ebuild package through smokeping-2.7.3-r1 for SmokePing on Gentoo, the initscript uses a PID file that is writable by the smokeping user. By writing arbitrary PIDs to that file, the smokeping user can cause a denial of service to arbitrary PIDs when the service is stopped.
Weakness: CWE-377
Which versions are affected by CVE-2017-20147?
It affects 1 product.
Products include Smokeping Smokeping.
How do I fix CVE-2017-20147?
No fix has been published for CVE-2017-20147 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-2017-20147 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2017-20147 exists.
Other vulnerabilities in n/a
Sources
Also known as GHSA-5mp3-vqfj-w7mq, UBUNTU-CVE-2017-20147.