#VU50000 Security restrictions bypass in Hadoop - CVE-2020-9492 

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Main Vulnerability Database Vulnerabilities #VU50000

#VU50000 Security restrictions bypass in Hadoop - CVE-2020-9492

Published: January 26, 2021


Vulnerability identifier: #VU50000
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-9492
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Hadoop
Software vendor:
Apache Foundation

Description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to the way Apache Hadoop handles SPNEGO authorization headers. A remote WebHDFS client can trigger services to send server credentials to a webhdfs path for capturing the service principal.


Remediation

Install updates from vendor's website.

External links