Information disclosure in Hadoop - CVE-2018-1296
Published: January 29, 2019
Vulnerability identifier: #VU17254
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-1296
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to HDFS exposes extended attribute key/value pairs during listXAttrs, verifying only path-level search access to the directory rather than path-level read permission to the referent. A remote attacker can sensitive data in extended attributes, such as HDFS encryption secrets.
Affected software
Hadoop
How to mitigate CVE-2018-1296
The vulnerability has been addressed in the versions 3.0.1, 2.9.1, 2.8.4, 2.7.6.
Hadoop - addressed in versions 2.7.6, 2.8.4, 2.9.1, 3.0.1