Vulnerability in Red Hat Openshift Builder
CVE-2021-3344
A privilege escalation flaw was found in OpenShift builder. During build time, credentials outside the build context are automatically mounted into the container image under construction. An OpenShift user, able to execute code during build time inside this container can re-use the credentials to overwrite arbitrary container images in internal registries and/or escalate their privileges. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. This affects github.com/openshift/builder v0.0.0-20210125201112-7901cb396121 and before.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.012 (66.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 66.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
- Red Hat Openshift Builder
- Red Hat Openshift Container Platform
- Openshift/builder — versions before github.com/openshift/builder v0.0.0-20210125201112-7901cb396121
Weakness classification (CWE)
References
- bugzilla.redhat.com/show_bug.cgi (Patch, Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-3344?
- CVE-2021-3344 is a high-severity vulnerability in Red Hat Openshift Builder, classified under Insufficiently Protected Credentials. CVSS score: 8.8/10. Published 2021-03-16.
- How severe is CVE-2021-3344?
- High severity. CVSS v3 base score is 8.8 out of 10.