3.0
LOW
CVE-2021-25743
kubectl Terminal Output Meta Sequence Injection Vulnerability
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.

INFO

Published Date :

Jan. 7, 2022, 12:15 a.m.

Last Modified :

Nov. 21, 2024, 5:55 a.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

1.4

Exploitability Score :

1.3
Public PoC/Exploit Available at Github

CVE-2021-25743 has a 2 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2021-25743 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Kubernetes kubernetes
: Total Affected Vendor : 1 | Products : 1
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-25743.

URL Resource
https://github.com/kubernetes/kubernetes/issues/101695 Vendor Advisory
https://security.netapp.com/advisory/ntap-20220217-0003/ Third Party Advisory
https://github.com/kubernetes/kubernetes/issues/101695 Vendor Advisory
https://security.netapp.com/advisory/ntap-20220217-0003/ Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
FishAnonymous/CAShift-Record

Recording Framework for CAShift

Shell Python HTML Go Dockerfile C

Updated: 3 months ago
0 stars 0 fork 0 watcher
Born at : Sept. 20, 2024, 5:43 p.m. This repo has been linked 18 different CVEs too.
Profile Photo
dgl/houdini-kubectl-poc

A proof of concept Docker image for escaping Kubernetes via terminals

Dockerfile

Updated: 6 months, 3 weeks ago
7 stars 2 fork 2 watcher
Born at : March 13, 2023, 2:12 a.m. This repo has been linked 5 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-25743 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-25743 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://github.com/kubernetes/kubernetes/issues/101695
    Added Reference https://security.netapp.com/advisory/ntap-20220217-0003/
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Feb. 28, 2022

    Action Type Old Value New Value
    Changed Reference Type https://security.netapp.com/advisory/ntap-20220217-0003/ No Types Assigned https://security.netapp.com/advisory/ntap-20220217-0003/ Third Party Advisory
  • CVE Modified by [email protected]

    Feb. 17, 2022

    Action Type Old Value New Value
    Added Reference https://security.netapp.com/advisory/ntap-20220217-0003/ [No Types Assigned]
  • Reanalysis by [email protected]

    Jan. 25, 2022

    Action Type Old Value New Value
    Removed CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:P/A:P)
    Added CVSS V2 NIST (AV:N/AC:H/Au:S/C:N/I:P/A:N)
    Removed CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H
    Added CVSS V3.1 NIST AV:N/AC:H/PR:L/UI:R/S:C/C:N/I:L/A:N
  • Initial Analysis by [email protected]

    Jan. 13, 2022

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H
    Changed Reference Type https://github.com/kubernetes/kubernetes/issues/101695 No Types Assigned https://github.com/kubernetes/kubernetes/issues/101695 Vendor Advisory
    Added CWE NIST NVD-CWE-Other
    Added CPE Configuration OR *cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:* versions up to (including) 1.18.0
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-25743 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-25743 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.05 }} -0.00%

score

0.21439

percentile

CVSS31 - Vulnerability Scoring System
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Attack Complexity
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: