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Security Advisories: GSA_kwCzR0hTQS1nZmhwLWpncDYtODM4as4AAvIk

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

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.

Permalink: https://github.com/advisories/GHSA-gfhp-jgp6-838j
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS1nZmhwLWpncDYtODM4as4AAvIk
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Critical
Classification: General
Published: over 1 year ago
Updated: 12 months ago


CVSS Score: 9.1
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

Identifiers: GHSA-gfhp-jgp6-838j, CVE-2022-39256
References: Repository: https://github.com/Orckestra/C1-CMS-Foundation

Affected Packages

nuget:CompositeC1.Core
Dependent packages: 0
Dependent repositories: 0
Downloads: 100,067 total
Affected Version Ranges: < 6.13
Fixed in: 6.13
All affected versions: 4.2.0, 4.2.1, 4.3.0, 5.0.0, 5.1.0, 5.2.0, 5.3.0, 5.4.0, 5.5.0, 6.0.0, 6.1.0, 6.2.0, 6.3.0, 6.4.0, 6.5.0, 6.6.0, 6.7.0, 6.8.0, 6.9.0, 6.10.0, 6.11.0, 6.12.0
All unaffected versions: 6.13.0