CVE-2020-2026: Kata Containers - Guests can trick the kata-runtime into mounting the container image on any host path
A malicious guest compromised before a container creation (e.g. a malicious guest image or a guest running multiple containers) can trick the kata runtime into mounting the untrusted container filesystem on any host path, potentially allowing for code execution on the host. This issue affects: Kata Containers 1.11 versions earlier than 1.11.1; Kata Containers 1.10 versions earlier than 1.10.5; Kata Containers 1.9 and earlier versions.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Kata Containersto a version that resolves this vulnerability.Fixed in 1.11.1 - Upgrade
Upgrade
Kata Containersto a version that resolves this vulnerability.Fixed in 1.10.5 - Upgrade
Upgrade
Kata Containersto a version that resolves this vulnerability.Fixed in 1.9
Event History
Frequently Asked Questions
What is the severity of CVE-2020-2026?
The severity of CVE-2020-2026 is high, with a CVSS score of 8.8.
How do I fix CVE-2020-2026?
To fix CVE-2020-2026, update to the latest version of Kata Containers where the vulnerability is patched.
What systems are affected by CVE-2020-2026?
CVE-2020-2026 affects the Kata Containers runtime and potentially any deployment using it, especially on Fedora systems.
What types of threats does CVE-2020-2026 pose?
CVE-2020-2026 poses the threat of code execution on the host by allowing a malicious guest to mount untrusted container filesystems.
When was CVE-2020-2026 published?
CVE-2020-2026 was published on June 10, 2020.