CVE-2021-25743
unknown
CVSS v3
—
CVSS v2
—
VIR risk
—
Description
kubectl does not neutralize escape, meta or control sequences contained in the raw data it outputs to a terminal. This includes but is not limited to the unstructured string fields in objects such as Events.
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-25743
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2021-25743.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 1.20.5+really1.20.2-1.1 |
| debian | bullseye | affected | |
| debian | forky | fixed | 1.31.4+ds-1 |
| debian | sid | fixed | 1.31.4+ds-1 |
| debian | trixie | fixed | 1.31.4+ds-1 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Go | k8s.io/kubernetes | <1.26.0-alpha.3 | 1.26.0-alpha.3 |
References
- https://www.suse.com/security/cve/CVE-2021-25743.html
- https://nvd.nist.gov/vuln/detail/CVE-2021-25743
- https://github.com/kubernetes/kubernetes/issues/101695
- https://github.com/kubernetes/kubernetes/pull/112553
- https://github.com/kubernetes/kubernetes/commit/dad0e937c0f76344363eb691b2668490ffef8537
- https://github.com/kubernetes/kubernetes
- https://security.netapp.com/advisory/ntap-20220217-0003
- https://github.com/advisories/GHSA-f9jg-8p32-2f55
- https://security-tracker.debian.org/tracker/CVE-2021-25743
Verify integrity in audit chain (admin only). AS-IS.