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CVE-2022-39256 — Vulnerability in CompositeC1.Core — CVE Details

CRITICAL

Orckestra C1 CMS's deserialization of untrusted data allows for arbitrary code execution.

Published September 30, 2022Updated November 8, 2023Source: osv

Summary

### Impact This vulnerability allows remote attackers to execute arbitrary code on affected installations of Orckestra C1 CMS. Authentication is required to exploit this vulnerability. The authenticated user may perform the actions unknowingly by visiting a specially crafted site. ### Patches Patched in C1 CMS v6.13 ### Workarounds Upgrade to C1 CMS v6.13 or newer is required ### Credit This issue was discovered and reported by Markus Wulftange / [Code White GmbH](https://code-white.com/en/).

Advisory Timeline

  • First published September 30, 2022 (1473 days ago).
  • Last revised November 8, 2023 — 404 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

NuGet
Update CompositeC1.Core to 6.13 or later
dotnet add package CompositeC1.Core --version 6.13

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

Affects 1 ecosystem: nuget (1).

PackageEcosystemAffectedFixed In
CompositeC1.Core
nuget
4.2.0, 4.2.1, 4.3.0, 4.3.0-beta1 (+19 more)6.13

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

  • CWE-502
    Deserialization of Untrusted DataMITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 9.0 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

References

Frequently Asked Questions

What is CVE-2022-39256?
Orckestra C1 CMS's deserialization of untrusted data allows for arbitrary code execution. This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.0/10).
How do I check if my project is affected by CVE-2022-39256?
CVE-2022-39256 affects CompositeC1.Core. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2022-39256 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
9.0

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

GHSA-gfhp-jgp6-838j

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