CVE-2020-8028 salt-api is accessible to every user on SUSE Manager Server
Local users can escalate to root on managed systems due to improper access control in salt-api configuration.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-8028?
CVE-2020-8028 is a critical missing authorization vulnerability in SUSE Linux Enterprise Module for SUSE Manager Server 4.1, published on 17 Sep 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A Improper Access Control vulnerability in the configuration of salt of SUSE Linux Enterprise Module for SUSE Manager Server 4.1, SUSE Manager Proxy 4.0, SUSE Manager Retail Branch Server 4.0, SUSE Manager Server 3.2, SUSE Manager Server 4.0 allows local users to escalate to root on every system managed by SUSE manager. On the managing node itself code can be executed as user salt, potentially allowing for escalation to root there. This issue affects: SUSE Linux Enterprise Module for SUSE Manager Server 4.1 google-gson versions prior to 2.8.5-3.4.3, httpcomponents-client-4.5.6-3.4.2, httpcomponents-. SUSE Manager Proxy 4.0 release-notes-susemanager-proxy versions prior to 4.0.9-0.16.38.1. SUSE Manager Retail Branch Server 4.0 release-notes-susemanager-proxy versions prior to 4.0.9-0.16.38.1. SUSE Manager Server 3.2 salt-netapi-client versions prior to 0.16.0-4.14.1, spacewalk-. SUSE Manager Server 4.0 release-notes-susemanager versions prior to 4.0.9-3.54.1.
Weakness: CWE-284
Which versions are affected by CVE-2020-8028?
It affects 1 product.
Linux distribution packages (11)
salt-netapi-client SUSE:Manager Server 3.2 | All versions | 0.16.0-4.14.1 |
spacewalk-admin SUSE:Manager Server 3.2 | All versions | 2.8.4.7-3.15.1 |
spacewalk-java SUSE:Manager Server 3.2 | All versions | 2.8.78.30-3.53.1 |
spacewalk-setup SUSE:Manager Server 3.2 | All versions | 2.8.7.11-3.28.1 |
google-gson SUSE:Manager Server Module 4.1 | All versions | 2.8.5-3.4.3 |
httpcomponents-client SUSE:Manager Server Module 4.1 | All versions | 4.5.6-3.4.2 |
httpcomponents-core SUSE:Manager Server Module 4.1 | All versions | 4.4.10-3.4.2 |
salt-netapi-client SUSE:Manager Server Module 4.1 | All versions | 0.17.0-3.3.2 |
spacewalk-admin SUSE:Manager Server Module 4.1 | All versions | 4.1.6-3.3.3 |
spacewalk-java SUSE:Manager Server Module 4.1 | All versions | 4.1.19-3.8.2 |
spacewalk-setup SUSE:Manager Server Module 4.1 | All versions | 4.1.6-3.3.2 |
Products include Suse Salt-Netapi-Client.
How do I fix CVE-2020-8028?
Apply the vendor's patch.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2020-8028 being exploited?
There is no known exploitation of CVE-2020-8028 in the wild and no public exploit code.
Sources
Also known as GHSA-pmmp-f225-r347, SUSE-SU-2020:2647-1, SUSE-SU-2020:2648-1.