#VU64513 Permissions, Privileges, and Access Controls in Hadoop - CVE-2021-33036

Vulnerability identifier: #VU64513

Vulnerability risk: Medium

CVSSv4.0: 6.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-33036

CWE-ID: CWE-264

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 user to escalate privileges on the system.

The vulnerability exists due to improper permission assignment, which leads to security restrictions bypass and privilege escalation.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Hadoop: 2.2 - 3.3.1

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External links
https://lists.apache.org/thread/ctr84rmo3xd2tzqcx2b277c8z692vhl5
https://www.openwall.com/lists/oss-security/2022/06/15/2

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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