Improper input validation in Malwarebytes
CVE-2018-5278
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 0x9c40e00c. 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).
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.004 (29.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 29.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Malwarebytes — versions 3.3.1.2183
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/ZhiyuanWang-Chengdu-Qihoo360/Malwarebytes_POC/tree/master/0x9c40e00c (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-5278?
- CVE-2018-5278 is a low-severity vulnerability in Malwarebytes, classified under Improper Input Validation. CVSS score: 3.3/10. Published 2018-01-08.
- How severe is CVE-2018-5278?
- Low severity. CVSS v3 base score is 3.3 out of 10.
- Is CVE-2018-5278 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.