8.8
HIGH CVSS 3.1
CVE-2022-23652
Capsule-Proxy Kubernetes API Server Connection Header Privilege Escalation Vulnerability
Description

capsule-proxy is a reverse proxy for Capsule Operator which provides multi-tenancy in Kubernetes. In versions prior to 0.2.1 an attacker with a proper authentication mechanism may use a malicious `Connection` header to start a privilege escalation attack towards the Kubernetes API Server. This vulnerability allows for an exploit of the `cluster-admin` Role bound to `capsule-proxy`. There are no known workarounds for this issue.

INFO

Published Date :

Feb. 22, 2022, 8:15 p.m.

Last Modified :

Nov. 21, 2024, 6:49 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2022-23652 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 Clastix capsule-proxy
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 MEDIUM [email protected]
CVSS 3.1 HIGH [email protected]
CVSS 3.1 HIGH [email protected]
Public PoC/Exploit Available at Github

CVE-2022-23652 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

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-2022-23652.

URL Resource
https://github.com/clastix/capsule-proxy/commit/efe91f68ebf8a9e3d21491dc57da7b8a746415d8 Patch Third Party Advisory
https://github.com/clastix/capsule-proxy/issues/188 Exploit Issue Tracking Third Party Advisory
https://github.com/clastix/capsule-proxy/security/advisories/GHSA-9cwv-cppx-mqjm Third Party Advisory
https://github.com/clastix/capsule-proxy/commit/efe91f68ebf8a9e3d21491dc57da7b8a746415d8 Patch Third Party Advisory
https://github.com/clastix/capsule-proxy/issues/188 Exploit Issue Tracking Third Party Advisory
https://github.com/clastix/capsule-proxy/security/advisories/GHSA-9cwv-cppx-mqjm Third Party Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2022-23652 is associated with the following CWEs:

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).

test 反向辣鸡数据投放 CVE-2022-23305 工具 利用 教程 Exploit POC

cve-2020-

Updated: 7 months, 1 week ago
5 stars 3 fork 3 watcher
Born at : Jan. 21, 2022, 5:07 a.m. This repo has been linked 2650 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-2022-23652 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2022-23652 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/clastix/capsule-proxy/commit/efe91f68ebf8a9e3d21491dc57da7b8a746415d8
    Added Reference https://github.com/clastix/capsule-proxy/issues/188
    Added Reference https://github.com/clastix/capsule-proxy/security/advisories/GHSA-9cwv-cppx-mqjm
  • CVE Modified by [email protected]

    May. 14, 2024

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

    Mar. 01, 2022

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:S/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://github.com/clastix/capsule-proxy/commit/efe91f68ebf8a9e3d21491dc57da7b8a746415d8 No Types Assigned https://github.com/clastix/capsule-proxy/commit/efe91f68ebf8a9e3d21491dc57da7b8a746415d8 Patch, Third Party Advisory
    Changed Reference Type https://github.com/clastix/capsule-proxy/issues/188 No Types Assigned https://github.com/clastix/capsule-proxy/issues/188 Exploit, Issue Tracking, Third Party Advisory
    Changed Reference Type https://github.com/clastix/capsule-proxy/security/advisories/GHSA-9cwv-cppx-mqjm No Types Assigned https://github.com/clastix/capsule-proxy/security/advisories/GHSA-9cwv-cppx-mqjm Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:a:clastix:capsule-proxy:*:*:*:*:*:*:*:* versions up to (excluding) 0.2.1
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.
Vulnerability Scoring Details
Base CVSS Score: 8.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 6.5
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

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

0.37 }} 0.08%

score

0.55618

percentile