CVE-2018-5218 Denial of service in n/a
Local attackers can cause a system crash (BSOD) in K7 Antivirus due to improper input validation in the kernel driver.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-5218?
CVE-2018-5218 is a high-severity denial of service vulnerability in n/a, published on 4 Jan 2018. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In K7 Antivirus 15.1.0306, the driver file (K7Sentry.sys) allows local users to cause a denial of service (BSOD) or possibly have unspecified other impact because of not validating input values from IOCtl 0x950025b0.
Weakness: CWE-20
Which versions are affected by CVE-2018-5218?
It affects 1 product.
Products include K7computing Antivirus.
How do I fix CVE-2018-5218?
No fix has been published for CVE-2018-5218 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-2018-5218 being exploited?
There is no known exploitation of CVE-2018-5218 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-w9jj-mrhj-pwhj.