CVE-2020-10695: High severity red hat single sign-on vulnerability

Published Jan 21, 2020
·
Updated

An insecure modification flaw in the /etc/passwd file was found in the redhat-sso-7 container. An attacker with access to the container can use this flaw to modify the /etc/passwd and escalate their privileges.

Other sources

It has been found that multiple containers modify the permissions of /etc/passwd to make them modifiable by users other than root. An attacker with access to the running container can exploit this to modify /etc/passwd to add a user and escalate their privileges. This CVE is specific to the openshift/redhat-sso-7 container.

Original bug: https://bugzilla.redhat.com/showbug.cgi?id=1791534

Red Hat

Affected Software

2 affected componentsFixes available
redhat/redhat-sso<7.4.4
7.4.4
redhat Single Sign-on<7.4.4

Event History

Jan 21, 2020
CVE Published
12:00 AM
Data Sourced
12:00 AM
RemedyDescriptionSeverityWeaknessAffected Software
May 26, 2021
CVE Published
via MITRE·09:35 PM
Data Sourced
via MITRE·09:35 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is the severity of CVE-2020-10695?

CVE-2020-10695 has a medium severity rating due to its potential for privilege escalation on affected systems.

2

How do I fix CVE-2020-10695?

To mitigate CVE-2020-10695, upgrade redhat-sso to version 7.4.4 or later.

3

What systems are affected by CVE-2020-10695?

CVE-2020-10695 affects redhat-sso versions prior to 7.4.4.

4

What type of vulnerability is CVE-2020-10695?

CVE-2020-10695 is an insecure modification flaw affecting the /etc/passwd file.

5

What can an attacker do with CVE-2020-10695?

An attacker with access to the container can modify the /etc/passwd file, potentially escalating their privileges.

Contact

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