CVE-2021-3948
First published: Wed Nov 10 2021(Updated: )
An incorrect default permissions vulnerability was found in the mig-controller. Due to an incorrect cluster namespaces handling an attacker may be able to migrate a malicious workload to the target cluster, impacting confidentiality, integrity, and availability of the services located on that cluster.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Konveyor Mig-controller | <1.5.2 | |
| Konveyor Mig-controller | >=1.6.0<1.6.3 | |
| Redhat Migration Toolkit | =1.0 | |
| Redhat Enterprise Linux | =7.0 | |
| Redhat Enterprise Linux | =8.0 | |
| Redhat Migration Toolkit | =1.5 | |
| Redhat Migration Toolkit | =1.6 | |
| redhat/konveyor/mig-controller release | <1.5.2 | 1.5.2 |
| redhat/konveyor/mig-controller release | <1.6.3 | 1.6.3 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=2022017
- https://github.com/konveyor/mig-controller/pull/1230
- https://github.com/konveyor/mig-controller/pull/1228
- https://access.redhat.com/errata/RHSA-2021:4848
- https://access.redhat.com/errata/RHSA-2022:0202
- https://access.redhat.com/security/cve/cve-2021-3948
Frequently Asked Questions
What is CVE-2021-3948?
CVE-2021-3948 is an incorrect default permissions vulnerability found in the mig-controller.
What is the impact of CVE-2021-3948?
CVE-2021-3948 can allow an attacker to migrate a malicious workload to the target cluster, impacting confidentiality, integrity, and availability of the services located on that cluster.
Which software is affected by CVE-2021-3948?
Software affected by CVE-2021-3948 includes Konveyor Mig-controller versions up to 1.5.2, Konveyor Mig-controller versions between 1.6.0 and 1.6.3, and Redhat Migration Toolkit version 1.0.
How severe is CVE-2021-3948?
CVE-2021-3948 has a severity score of 6.3, which is considered medium.
How can CVE-2021-3948 be fixed?
To fix CVE-2021-3948, it is recommended to update to the latest version of the affected software.
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