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GHSA-8959-rfxh-r4j4
No affected components available
Impact
A user able to attach a file to a page can post a malformed TAR file by manipulating file modification times headers, which when parsed by Tika, could cause a denial of service issue via CPU consumption.
Patches
This vulnerability has been patched in XWiki 14.10.18, 15.5.3 and 15.8 RC1.
Workarounds
The workaround is to download commons-compress 1.24 and replace the one located in XWiki WEB-INF/lib/ folder.
References
https://jira.xwiki.org/browse/XCOMMONS-2796
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 availability of the system.
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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