GHSA-xq3r-2qv5-vqqm
XWiki Platform has path traversal via resources parameter in ssx and jsx endpoints when using leading slash
Packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| Maven | org.xwiki.commons:xwiki-commons-classloader-api | >= 4.2-milestone-2, < 16.10.17 | 16.10.17 |
| Maven | org.xwiki.commons:xwiki-commons-classloader-api | >= 17.0.0-rc-1, < 17.4.9 | 17.4.9 |
| Maven | org.xwiki.commons:xwiki-commons-classloader-api | >= 17.5.0, < 17.10.3 | 17.10.3 |
| Maven | org.xwiki.commons:xwiki-commons-classloader-api | >= 18.0.0-rc-1, < 18.1.0-rc-1 | 18.1.0-rc-1 |
Details
As written in the advisory (Markdown source, shown as plain text).
### Impact
It's possible to get access and read configuration files by using URLs such as `http://localhost:8080/bin/ssx/Main/WebHome?resource=/../../WEB-INF/xwiki.cfg&minify=false`.
This can apparently be reproduced on Tomcat instances.
### Patches
This has been patched in 18.0.0-rc-1, 17.10.3, 17.4.9, 16.10.17.
### Workarounds
There is no known workaround, other than upgrading XWiki.
### References
* https://jira.xwiki.org/browse/XCOMMONS-3547
* https://github.com/xwiki/xwiki-commons/commit/a979cafd89f6a9c9c0b9ab19744d672df64429bf
### For more information
If you have any questions or comments about this advisory:
* Open an issue in [Jira XWiki.org](https://jira.xwiki.org/)
* Email us at [Security Mailing List](mailto:[email protected])
### Attribution
The vulnerability was reported by Michał Kołek.
References
External links from the advisory. They lead to third-party sites.