Vulnerability identifier: #VU17254

Vulnerability risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-1296

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Hadoop
Server applications / Frameworks for developing and running applications

Vendor: Apache Foundation

Description

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.

Mitigation
The vulnerability has been addressed in the versions 3.0.1, 2.9.1, 2.8.4, 2.7.6.

Vulnerable software versions

Hadoop: 2.7 - 3.0.0

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External links
http://hadoop.apache.org/cve_list.html#cve-2018-8009-http-cve-mitre-org-cgi-bin-cvename-cgi-name-cve-2018-8009-zip-slip-impact-on-apache-hadoop

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.