Vulnerability Details : CVE-2018-9862
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.
Products affected by CVE-2018-9862
- cpe:2.3:a:hyper:runv:1.0.0:*:*:*:*:docker:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-9862
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 10 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-9862
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
NIST | |
|
7.8
|
HIGH | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2018-9862
-
The product uses or specifies an encoding when generating output to a downstream component, but the specified encoding is not the same as the encoding that is expected by the downstream component.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-9862
-
http://www.securityfocus.com/bid/103738
runV for Docker CVE-2018-9862 Privilege Escalation VulnerabilityBroken Link;Third Party Advisory;VDB Entry
-
https://github.com/hyperhq/hyperstart/pull/348
Security: fix a issue (similar to runc CVE-2016-3697) by keloyang · Pull Request #348 · hyperhq/hyperstart · GitHubPatch;Third Party Advisory
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