4.7med

CVE-2020-8564

Docker config secrets leaked when file is malformed and loglevel >= 4

Also known as GHSA-8mjg-8c8g-6h85, GO-2021-0066

Published 5 y ago · modified 58 d ago · JSON

CVSS
4.7
v3.1 · CNA
CISA KEV
No
not known exploited
EPSS
0.5%
percentile 41%
Public exploits
0
none known

Summary

In Kubernetes clusters using a logging level of at least 4, processing a malformed docker config file will result in the contents of the docker config file being leaked, which can include pull secrets or other registry credentials. This affects < v1.19.3, < v1.18.10, < v1.17.13.

Exploit prediction (EPSS)

0.47% probability of exploitation in the next 30 days, higher than 41% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
CNA3.14.7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
CNA3.14.7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD3.15.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD2.02.1AV:L/AC:L/Au:N/C:P/I:N/A:N
GitHub3.14.7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected packages

EcosystemPackageAffectedFixed in
gogithub.com/kubernetes/kubernetes
>=1.19.0, <1.19.3
>=1.18.0, <1.18.10
<1.17.13
1.19.3
1.18.10
1.17.13
gok8s.io/kubernetes
<1.20.0-alpha.1
1.20.0-alpha.1

Affected products

  • Kubernetes Kubernetes

Classification

Weakness
  • CWE-532 Insertion of Sensitive Information into Log File
Technology feeds
Kubernetes (RSS, critical only)

References

  • groups.google.com /g/kubernetes-security-discuss/c/vm-HcrFUOCs/m/36utxAM5CwAJ · mailing-list, x_refsource_MLIST, x_transferred
  • github.com /kubernetes/kubernetes/issues/95622 · x_refsource_CONFIRM, x_transferred
  • security.netapp.com /advisory/ntap-20210122-0006/ · x_refsource_CONFIRM, x_transferred
  • nvd.nist.gov /vuln/detail/CVE-2020-8564 · advisory
  • github.com /kubernetes/kubernetes/pull/94712 · web
  • github.com /kubernetes/kubernetes/commit/11793434dac97a49bfed0150b56ac63e5dc34634 · web
  • github.com /kubernetes/kubernetes · package
  • pkg.go.dev /vuln/GO-2021-0066 · web
  • security.netapp.com /advisory/ntap-20210122-0006 · web

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.