org.xwiki.platform:xwiki-platform-oldcore vulnerable to data leak through deleted documents

Impact

Rights added to a document are not taken into account for viewing it once it's deleted. Note that this vulnerability only impact deleted documents that where containing view rights: the view rights provided on a space of a deleted document are properly checked.

Patches

The problem has been patched in XWiki 14.10 by checking the rights of current user: only admin and deleter of the document are allowed to view it.

Workarounds

There is no workaround for this vulnerability other than upgrading.

References

• Jira ticket: https://jira.xwiki.org/browse/XWIKI-16285
• Commit: https://github.com/xwiki/xwiki-platform/commit/d9e947559077e947315bf700c5703dfc7dd8a8d7

For more information

If you have any questions or comments about this advisory:

• Open an issue in Jira
• Email us at security ML