CVE-2018-5271 Denial of service in n/a
Local users can cause a Blue Screen of Death in Malwarebytes Premium due to improper input validation in the driver, though the vendor could not reproduce the issue.
- 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-2018-5271?
CVE-2018-5271 is a high-severity denial of service vulnerability in n/a, published on 8 Jan 2018. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In Malwarebytes Premium 3.3.1.2183, the driver file (FARFLT.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 0x9c40e008. NOTE: the vendor reported that they "have not been able to reproduce the issue on any Windows operating system version (32-bit or 64-bit).
Weakness: CWE-20
Which versions are affected by CVE-2018-5271?
It affects 1 product.
Products include Malwarebytes Malwarebytes.
How do I fix CVE-2018-5271?
No fix has been published for CVE-2018-5271 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-2018-5271 being exploited?
There is no known exploitation of CVE-2018-5271 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-vvx5-pmqh-6c2v.