CVE-2022-31166

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Summary

CVECVE-2022-31166
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-09-07 14:15:00 UTC
Updated2022-09-13 22:43:00 UTC
DescriptionXWiki Platform Old Core is a core package for XWiki Platform, a generic wiki platform. Starting in versions 11.3.7, 11.0.3, and 12.0RC1, it is possible to exploit a bug in XWikiRights resolution of groups to obtain privilege escalation. More specifically, editing a right with the object editor leads to adding a supplementary empty value to groups which is then resolved as a reference to XWiki.WebHome page. Adding an XWikiGroup xobject to that page then transforms it to a group, any user put in that group would then obtain the privileges related to the edited right. Note that this security issue is normally mitigated by the fact that XWiki.WebHome (and XWiki space in general) should be protected by default for edit rights. The problem has been patched in XWiki 13.10.4 and 14.2RC1 to not consider anymore empty values in XWikiRights. It's possible to work around the problem by setting appropriate rights on XWiki.WebHome page to prevent users to edit it.

Risk And Classification

Problem Types: NVD-CWE-noinfo

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Xwiki Xwiki All All All All

References

ReferenceSourceLinkTags
Log in - XWiki.org JIRA MISC jira.xwiki.org
[XWIKI-15776] The groups displayer store values with a coma at the end - XWiki.org JIRA MISC jira.xwiki.org
Improper Privilege Management in XWiki resolving groups in XWiki.WebHome · Advisory · xwiki/xwiki-platform · GitHub CONFIRM github.com
XWIKI-15776: The groups displayer store values with a coma at the end by surli · Pull Request #1800 · xwiki/xwiki-platform · GitHub MISC github.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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