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GHSA-gg53-wf5x-r3r6
No affected components available
Impact
A bug in the security cache is storing rules associated to document Page1.Page2 and space Page1.Page2 in the same cache entry.
That means that it's possible to overwrite the rights of a space or a document by creating the page of the space with the same name and checking the right of the new one first so that they end up in the security cache and are used for the other too.
Patches
The problem has been patched in XWiki 12.10.11, 13.10.1, 13.4.6.
Workarounds
No workaround other than patching.
References
https://jira.xwiki.org/browse/XWIKI-14075 https://jira.xwiki.org/browse/XWIKI-18983
For more information
If you have any questions or comments about this advisory:
- Open an issue in Jira XWiki.org
- Email us at Security Mailing List
The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker needs basic access or low-level privileges. No user interaction is needed for the attacker to exploit this vulnerability. The impact is confined to the system where the vulnerability exists. There is a high impact on the confidentiality of the information. There is a low impact on the integrity of the data.
Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.
Probability that this vulnerability will be exploited in the wild within the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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