CVE-2022-23652
CVSS V2 Medium 6.5
CVSS V3 High 8.8
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.
Overview
- CVE ID
- CVE-2022-23652
- Assigner
- security-advisories@github.com
- Vulnerability Status
- Analyzed
- Published Version
- 2022-02-22T20:15:07
- Last Modified Date
- 2022-03-01T20:08:43
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:clastix:capsule-proxy:*:*:*:*:*:*:*:* | 1 | OR | 0.2.1 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:S/C:P/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- SINGLE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 6.5
- Severity
- MEDIUM
- Exploitability Score
- 8
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 8.8
- Base Severity
- HIGH
- Exploitability Score
- 2.8
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://github.com/clastix/capsule-proxy/commit/efe91f68ebf8a9e3d21491dc57da7b8a746415d8 | Patch Third Party Advisory |
| https://github.com/clastix/capsule-proxy/security/advisories/GHSA-9cwv-cppx-mqjm | Third Party Advisory |
| https://github.com/clastix/capsule-proxy/issues/188 | Exploit Issue Tracking Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2022-23652 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-23652 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 15:47:47 | Added to TrackCVE | |||
| 2022-12-06 10:31:31 | 2022-02-22T20:15Z | 2022-02-22T20:15:07 | CVE Published Date | updated |
| 2022-12-06 10:31:31 | 2022-03-01T20:08:43 | CVE Modified Date | updated | |
| 2022-12-06 10:31:31 | Analyzed | Vulnerability Status | updated |