#VU25999 Incorrect default permissions in Red Hat OpenShift Container Platform - CVE-2019-19355

Vulnerability identifier: #VU25999

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/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-2019-19355

CWE-ID: CWE-276

Exploitation vector: Local

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 local user to escalate privileges on the system.

The vulnerability exists due to incorrect default permissions for "/etc/passwd" file after modification in the "openshift/ocp-release-operator-sdk". A local user with access to the system can modify the file and escalate privileges on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Red Hat OpenShift Container Platform: 4.1.0 - 4.1.27, 4.2.0 - 4.2.22

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External links
https://access.redhat.com/security/cve/CVE-2019-19355
https://bugzilla.redhat.com/show_bug.cgi?id=1793277

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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