7.8

CVE-2018-5277: malwarebytes Improper Input Validation

CVSS: 7.8v3.0HighModified
Published 08-01-2018Last modified 14-11-2024
Open JSON

Vulnerability summary

CVE-2018-5277 is a high (CVSS 7.8) Improper Input Validation vulnerability in malwarebytes. EPSS estimates a 0.42% chance of exploitation in the next 30 days, higher than 34.9% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
41/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.0 (NVD)
EPSS score
0.42%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 08-01-2018
    PublishedVulnerability first disclosed.
  2. 14-11-2024
    Last modifiedVulnerability information updated.

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 0x9c40e000. 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).

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

0.42%

Chance of exploitation in the next 30 days

Percentile

35%

Versus all other CVEs

30-day change

0.00 pp

From 0.42% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.42%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Malwarebytes Poc

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Malwarebytes1 product

1 vendor · 1 product

References

1 links