Vulnerability in Kata Containers
CVE-2020-2026
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.
EPSS: 0.005 (38.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Kata Containers — versions 1.11, 1.10, 1
- Katacontainers Runtime
- Fedoraproject Fedora — versions 31
Weakness classification (CWE)
Public proof-of-concept exploits
References
- psirt@paloaltonetworks.com (Third Party Advisory, x_refsource_MISC, Release Notes)
- psirt@paloaltonetworks.com (Third Party Advisory, x_refsource_MISC, Release Notes)
- psirt@paloaltonetworks.com (Third Party Advisory, x_refsource_MISC)
- psirt@paloaltonetworks.com (Third Party Advisory, x_refsource_MISC)
- psirt@paloaltonetworks.com (x_refsource_FEDORA, vendor-advisory)
- psirt@paloaltonetworks.com (x_refsource_FEDORA, vendor-advisory)
- psirt@paloaltonetworks.com (x_refsource_FEDORA, vendor-advisory)
- psirt@paloaltonetworks.com (x_refsource_FEDORA, vendor-advisory)
- psirt@paloaltonetworks.com (x_refsource_FEDORA, vendor-advisory)
- psirt@paloaltonetworks.com (x_refsource_FEDORA, vendor-advisory)
Frequently asked questions
- What is CVE-2020-2026?
- CVE-2020-2026 is a high-severity vulnerability in Kata Containers, classified under Improper Link Resolution Before File Access. CVSS score: 7.8/10. Published 2020-06-10.
- How severe is CVE-2020-2026?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2020-2026 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.