Improper Authorization Affecting cloud-init package, versions <0:18.2-1.el7_6.2
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL7-CLOUDINIT-4887853
- published26 Jul 2021
- disclosed5 Mar 2019
Introduced: 5 Mar 2019
CVE-2019-0816 (opens in a new tab)How to fix?
Upgrade RHEL:7 cloud-init to version 0:18.2-1.el7_6.2 or higher.
This issue was patched in RHSA-2019:0597.
NVD Description
Note: Versions mentioned in the description apply only to the upstream cloud-init package and not the cloud-init package as distributed by RHEL.
See How to fix? for RHEL:7 relevant fixed versions and status.
A security feature bypass exists in Azure SSH Keypairs, due to a change in the provisioning logic for some Linux images that use cloud-init, aka 'Azure SSH Keypairs Security Feature Bypass Vulnerability'.
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0816
- https://access.redhat.com/security/cve/CVE-2019-0816
- https://access.redhat.com/errata/RHBA-2019:1992
- https://access.redhat.com/errata/RHSA-2019:0597
- http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00018.html