Is CVE-2018-9862 actively exploited?

CVE-2018-9862 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2018-9862?

CVE-2018-9862 has a CVSS score of 7.8 (HIGH severity). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2018-9862?

Patch guidance is available from hyper security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2018-9862.

Fix CVE-2018-9862 - HIGH hyper runv

Description

util.c in runV 1.0.0 for Docker mishandles a numeric username, which allows attackers to obtain root access by leveraging the presence of an initial numeric value on an /etc/passwd line, and then issuing a "docker exec" command with that value in the -u argument, a similar issue to CVE-2016-3697.

CVSS Metrics

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector: local
Complexity: low
Privileges: low
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-838

Metadata

Primary Vendor: HYPER
Published: 4/9/2018
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

hyper : runv

Remediation Guidance

Executive Summary

Cite this page

CVE-2018-9862. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2018-9862

View on NIST NVD

CVE-2018-9862 vulnerability