Vulnerability identifier: #VU16032

Vulnerability risk: Low

CVSSv3.1: 6.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2018-14632

CWE-ID: CWE-125

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Red Hat OpenShift Container Platform
Client/Desktop applications / Software for system administration

Vendor: Red Hat Inc.

Description

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The vulnerability exists due to out-of-bounds read when patching an Openshift object using the 'oc patch' functionality. A remote attacker can cause a denial of service attack on the Openshift master api service which provides cluster management.

Mitigation
Update to version 3.7.

Vulnerable software versions

Red Hat OpenShift Container Platform: 3.6, 3.5, 3.4, 3.3, 3.2, 3.1

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External links
http://github.com/evanphx/json-patch/commit/4c9aadca8f89e349c999f04e28199e96e81aba03#diff-65c563bba...

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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. However, proof of concept for this vulnerability is available.