Vulnerability CVE-2018-9862


Published: 2018-04-09

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.

Type:

CWE-838

(Inappropriate Encoding for Output Context)

CVSS2 => (AV:L/AC:L/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.2/10
10/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Hyper -> RUNV 

 References:
http://www.securityfocus.com/bid/103738
https://github.com/hyperhq/hyperstart/pull/348

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