#VU16165 Command injection in Hadoop - CVE-2018-11766

Vulnerability identifier: #VU16165

Vulnerability risk: Low

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:Clear]

CVE-ID: CVE-2018-11766

CWE-ID: CWE-77

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 authenticated attacker to execute arbitrary commands on the target system.

The vulnerability exists due to improper security restrictions. A remote attacker can escalate to yarn user access and execute arbitrary commands with root privileges on a targeted system.

Mitigation
Update to version 2.7.7.

Vulnerable software versions

Hadoop: 2.7.4 - 2.7.6

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External links
https://lists.apache.org/thread.html/ff37bbbe09d5f03090e2dd2c3dea95de16ef4249e731f19b8959ce4c@%3Cgen...

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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.