Bug 2042418 (CVE-2021-25743) - CVE-2021-25743 kubernetes: kubectl does not neutralize escape, meta or control sequences contained in the raw data it outputs to a terminal
Summary: CVE-2021-25743 kubernetes: kubectl does not neutralize escape, meta or contro...
Keywords:
Status: NEW
Alias: CVE-2021-25743
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Nobody
QA Contact:
URL:
Whiteboard:
Depends On: 2056821 2056822 2042419 2043563 2043564 2043565 2043569 2043570 2043571 2044401 2044402 2047712
Blocks: 2042420
TreeView+ depends on / blocked
 
Reported: 2022-01-19 13:49 UTC by Guilherme de Almeida Suckevicz
Modified: 2025-06-17 08:28 UTC (History)
52 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
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Description Guilherme de Almeida Suckevicz 2022-01-19 13:49:27 UTC 
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.

Reference:
https://github.com/kubernetes/kubernetes/issues/101695
Comment 1 Guilherme de Almeida Suckevicz 2022-01-19 13:49:50 UTC 
Created kubernetes tracking bugs for this issue:

Affects: fedora-all [bug 2042419]
Comment 2 Przemyslaw Roguski 2022-01-21 14:17:20 UTC 
Created golang-k8s-kubectl tracking bugs for this issue:

Affects: fedora-all [bug 2043563]


Created golang-k8s-kubernetes tracking bugs for this issue:

Affects: fedora-all [bug 2043564]


Created origin tracking bugs for this issue:

Affects: fedora-all [bug 2043565]
Comment 13 Brad Smith 2022-11-10 15:15:29 UTC 
As an FYI, upstream merged a pull request (https://github.com/kubernetes/kubernetes/pull/112553 ) which provides a partial fix for this bug. Pull request merged 11 days ago (today is 2022.11.10). See comment https://github.com/kubernetes/kubernetes/pull/112553#pullrequestreview-1161103953 on partial nature of pull request.
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