CVE-2023-37265: Github.com/IceWhaleTech/CasaOS Gateway Remote Code Execution Vulnerability

CRITICAL
Advisory Identifier: GHSA-vjh7-5r6x-xh6g
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CVSS 9.8
CWE-306 CWE-348
Published
Advisory Summary

CVE-2023-37265 is a CRITICAL (CVSS 9.8) remote code execution vulnerability (CWE-306: Missing Authentication for Critical Function) affecting Github.com/IceWhaleTech/CasaOS Gateway libraries in the Go ecosystem. The issue involves casaos gateway vulnerable to incorrect identification of source ip addresses. Remediation is available by upgrading affected packages to version 0.4.4.

CVE-2023-37265 at a Glance

CVE Identifier CVE-2023-37265
GHSA Identifier GHSA-vjh7-5r6x-xh6g
Severity CRITICAL
CVSS v3.1 Base Score 9.8
CWE Classification CWE-306: Missing Authentication for Critical Function
Affected Product Github.com/IceWhaleTech/CasaOS Gateway
Package Ecosystem Go
Published Date
Last Updated

Security Impact

CVSS: 9.8

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required None (PR:N)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality High (C:H)
Integrity High (I:H)
Availability High (A:H)

How to Fix CVE-2023-37265

To remediate this vulnerability, upgrade all affected Github.com/IceWhaleTech/CasaOS Gateway dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

github.com/IceWhaleTech/CasaOS-Gateway fixed: 0.4.4 
Upgrade github.com/IceWhaleTech/CasaOS-Gateway to 0.4.4
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for github.com/IceWhaleTech/CasaOS-Gateway

How to Check if You Are Affected

To determine whether your application is affected by CVE-2023-37265, inspect your project dependencies for Github.com/IceWhaleTech/CasaOS Gateway:

inspect dependencies for github.com/IceWhaleTech/CasaOS-Gateway

Analyze the terminal output to locate any version of Github.com/IceWhaleTech/CasaOS Gateway in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 0.4.4), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-306: Missing Authentication for Critical Function, where the product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. In Github.com/IceWhaleTech/CasaOS Gateway, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

### Impact Unauthenticated attackers can execute arbitrary commands as `root` on CasaOS instances. ### Patches The problem was addressed by improving the detection of client IP addresses in 391dd7f. This patch is part of CasaOS 0.4.4. ### Workarounds 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. ### References - 391dd7f - https://www.sonarsource.com/blog/security-vulnerabilities-in-casaos/

CVE-2023-37265 Affected Github.com/IceWhaleTech/CasaOS Gateway Versions

1 component(s)
Fixed Versions:
0.4.4
Product / Package Ecosystem Affected Versions Fixed Version
github.com/IceWhaleTech/CasaOS-Gateway
golang/github.com/IceWhaleTech/CasaOS-Gateway
Go
< 0.4.4
0.4.4

References

GitHub Advisory / Wiki ADVISORY
https://github.com/IceWhaleTech/CasaOS-Gateway/security/advisories/GHSA-vjh7-5r6x-xh6g
NVD — CVE-2023-37265 NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-37265
Security Fix Commit FIX COMMIT
https://github.com/IceWhaleTech/CasaOS-Gateway/commit/391dd7f0f239020c46bf057cfa25f82031fc15f7
Github.com/IceWhaleTech/CasaOS Gateway Source Repository REPOSITORY
https://github.com/IceWhaleTech/CasaOS-Gateway
pkg.go.dev/vuln/go-2023-1932 WEB
https://pkg.go.dev/vuln/GO-2023-1932
Github.com/IceWhaleTech/CasaOS Gateway Security Information SECURITY
https://www.sonarsource.com/blog/security-vulnerabilities-in-casaos

Frequently Asked Questions

What is CVE-2023-37265?
CVE-2023-37265 is a security vulnerability in Github.com/IceWhaleTech/CasaOS Gateway involving CasaOS Gateway vulnerable to incorrect identification of source IP addresses under CWE-306: Missing Authentication for Critical Function.
Which Github.com/IceWhaleTech/CasaOS Gateway versions are affected?
Affected versions include releases prior to 0.4.4 across affected packages: github.com/IceWhaleTech/CasaOS-Gateway.
What version fixes CVE-2023-37265?
Upgrading to 0.4.4 (or the latest patched release for your respective branch) resolves the vulnerability.
Is github.com/IceWhaleTech/CasaOS-Gateway affected?
Yes, github.com/IceWhaleTech/CasaOS-Gateway is affected in releases prior to 0.4.4. Upgrade your dependency to 0.4.4 or later.
What is the CVSS score of CVE-2023-37265?
CVE-2023-37265 has a CVSS v3.1 base score of 9.8 (CRITICAL) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
What CWE is associated with CVE-2023-37265?
CVE-2023-37265 is classified under CWE-306: Missing Authentication for Critical Function (The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.).
How can I check Go dependencies for CVE-2023-37265?
Run the dependency tree command: 'inspect dependencies for github.com/IceWhaleTech/CasaOS-Gateway'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-vjh7-5r6x-xh6g",
  "modified" : "2024-12-12T22:29:30Z",
  "published" : "2023-07-17T14:36:09Z",
  "aliases" : [ "CVE-2023-37265" ],
  "summary" : "CasaOS Gateway vulnerable to incorrect identification of source IP addresses",
  "details" : "### Impact\n\nUnauthenticated attackers can execute arbitrary commands as `root` on CasaOS instances.\n\n### Patches\n\nThe problem was addressed by improving the detection of client IP addresses in 391dd7f. This patch is part of CasaOS 0.4.4.\n\n### Workarounds\n\nUsers 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. \n\n### References\n\n- 391dd7f\n- https://www.sonarsource.com/blog/security-vulnerabilities-in-casaos/",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Go",
      "name" : "github.com/IceWhaleTech/CasaOS-Gateway"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "0.4.4"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/IceWhaleTech/CasaOS-Gateway/security/advisories/GHSA-vjh7-5r6x-xh6g"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2023-37265"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/IceWhaleTech/CasaOS-Gateway/commit/391dd7f0f239020c46bf057cfa25f82031fc15f7"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/IceWhaleTech/CasaOS-Gateway"
  }, {
    "type" : "WEB",
    "url" : "https://pkg.go.dev/vuln/GO-2023-1932"
  }, {
    "type" : "WEB",
    "url" : "https://www.sonarsource.com/blog/security-vulnerabilities-in-casaos"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-306", "CWE-348" ],
    "severity" : "CRITICAL",
    "github_reviewed" : true,
    "github_reviewed_at" : "2023-07-17T14:36:09Z",
    "nvd_published_at" : "2023-07-17T21:15:09Z"
  }
}