Path traversal in Kubernetes - CVE-2018-1002100

 

Path traversal in Kubernetes - CVE-2018-1002100

Published: July 30, 2018 / Updated: July 30, 2018


Vulnerability identifier: #VU14124
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-1002100
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Kubernetes
Affected software:
Kubernetes

Detailed vulnerability description

The vulnerability allows a remote attacker to conduct path traversal attack on the target system.

The vulnerability exists due to the kubectl cp command insecurely handles tar data returned from the container. A remote unauthenticated attacker can conduct path traversal attack and overwrite arbitrary local files.


How to mitigate CVE-2018-1002100

Update to version 1.9.6.

Sources