Home/CVE/A privilege escalation flaw was found in OpenShift builder. During build time, credentials outside the build context are
CVE

CVE-2021-3344

A privilege escalation flaw was found in OpenShift builder. During build time, credentials outside the build context are

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.

HIGH · CVSS 8.8 EPSS 0.00676
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-522Insufficiently Protected Credentials
CWE-522Insufficiently Protected Credentials
▤

Affected Products & Versions

3
redhat openshift builder< 2021-01-26
redhat openshift container platform>= 4.5 and < 4.5.33
redhat openshift container platform>= 4.6 and < 4.6.16
▣

Scoring & Timeline

8.8
HIGH · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD16 Mar 2021 · 10:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

2
rhsaRHSA-2021:0308Important
rhsaRHSA-2021:0428Important
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugzilla.redhat.com/show_bug.cgi?id=1921450Issue TrackingPatchVendor Advisory
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