CVE-2017-1082 Denial of service in FreeBSD
Attackers can cause application crashes via stack overflow by providing pathological input to the qsort algorithm in FreeBSD.
- 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-2017-1082?
CVE-2017-1082 is a high-severity denial of service vulnerability in Freebsd Freebsd, published on 12 Sep 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In FreeBSD 11.x before 11.1-RELEASE and 10.x before 10.4-RELEASE, the qsort algorithm has a deterministic recursion pattern. Feeding a pathological input to the algorithm can lead to excessive stack usage and potential overflow. Applications that use qsort to handle large data set may crash if the input follows the pathological pattern.
Weakness: CWE-20
Which versions are affected by CVE-2017-1082?
It affects 1 product.
Products include Freebsd Freebsd.
How do I fix CVE-2017-1082?
No fix has been published for CVE-2017-1082 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-2017-1082 being exploited?
There is no known exploitation of CVE-2017-1082 in the wild and no public exploit code.
Other vulnerabilities in Freebsd Freebsd
Sources
Also known as GHSA-h3fp-qwvr-4r8j.