Описание
XWiki Platform remote code execution from account via custom skins support
Impact
Any user who can edit any page like their profile can create a custom skin with a template override that is executed with programming right, thus allowing remote code execution.
To reproduce, as a user without edit, script or admin right, add an object of class XWiki.XWikiSkins to your profile. Name it whatever you want and set the Base Skin to flamingo.
Add an object of class XWikiSkinFileOverrideClass and set the path to macros.vm and the content to:
Back to your profile, click Test this skin. Force a refresh, just in case.
If the error "Skin - I got programming: true" gets logged, the installation is vulnerable.
Patches
This has been patched in XWiki 14.10.19, 15.5.4 and 15.10RC1.
Workarounds
We're not aware of any workaround except upgrading.
References
Ссылки
- https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-cv55-v6rw-7r5v
- https://nvd.nist.gov/vuln/detail/CVE-2024-31987
- https://github.com/xwiki/xwiki-platform/commit/3d4dbb41f52d1a6e39835cfb1695ca6668605a39
- https://github.com/xwiki/xwiki-platform/commit/626d2a5dbf95b4e719ae13bf1a0a9c76e4edd5a2
- https://github.com/xwiki/xwiki-platform/commit/da177c3c972e797d92c1a31e278f946012c41b56
- https://jira.xwiki.org/browse/XWIKI-21478
Пакеты
org.xwiki.platform:xwiki-platform-oldcore
>= 6.4-milestone-1, < 14.10.19
14.10.19
org.xwiki.platform:xwiki-platform-oldcore
>= 15.0-rc-1, < 15.5.4
15.5.4
org.xwiki.platform:xwiki-platform-oldcore
>= 15.6-rc-1, < 15.10-rc-1
15.10-rc-1
Связанные уязвимости
XWiki Platform is a generic wiki platform. Starting in version 6.4-milestone-1 and prior to versions 4.10.19, 15.5.4, and 15.10-rc-1, any user who can edit any page like their profile can create a custom skin with a template override that is executed with programming right, thus allowing remote code execution. This has been patched in XWiki 14.10.19, 15.5.4 and 15.10RC1. No known workarounds are available except for upgrading.