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GHSA-599v-w48h-rjrm
No affected components available
Impact
Through the suggestion feature, string and list properties of objects the user shouldn't have access to can be accessed. This includes private personal information like email addresses and salted password hashes of registered users but also other information stored in properties of objects. Sensitive configuration fields like passwords for LDAP or SMTP servers could be accessed. By exploiting an additional vulnerability, this issue can even be exploited on private wikis at least for string properties.
Patches
The issue is patched in version 13.10.4 and 14.2. Password properties are no longer displayed and rights are checked for other properties.
Workarounds
The template file suggest.vm can be replaced by a patched version without upgrading or restarting XWiki unless it has been overridden, in which case the overridden template should be patched, too. This might need adjustments for older versions, though.
References
- https://jira.xwiki.org/browse/XWIKI-18849
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 does not need any special privileges or access rights. 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.
Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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