Improper access control in Hadoop - CVE-2018-11767
Published: April 2, 2019
Vulnerability identifier: #VU18114
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2018-11767
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Apache Foundation
Affected software:
Hadoop
Hadoop
Detailed vulnerability description
The vulnerability allows a remote attacker to gain unauthorized access to sensitive information.
The vulnerability exists due to improper access restrictions within the Key Management Server (KMS) implementation in Apache Hadoop when non-default group mapping is used. A remote authenticated user can perform otherwise restricted actions with elevated privileges.
How to mitigate CVE-2018-11767
Install updates from vendor's website.
Sources
- https://lists.apache.org/thread.html/246cf223e7dc0c1dff90b78dccb6c3fe94e1a044dbf98e2333393302@%3Ccommon-issues.hadoop.apache.org%3E
- https://lists.apache.org/thread.html/5a44590b4eedc5e25f5bd3081d1631b52c174b5b99157f7950ddc270@%3Ccommon-dev.hadoop.apache.org%3E
- https://lists.apache.org/thread.html/5fb771f66946dd5c99a8a5713347c24873846f555d716f9ac17bccca@%3Cgeneral.hadoop.apache.org%3E