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Security Advisories: GSA_kwCzR0hTQS03OTU0LTZtOXEtZ3B2Zs4AA1Yx
XWiki Platform privilege escalation (PR)/RCE from account through Invitation subject/message
Impact
Any user who can view Invitation.WebHome
can execute arbitrary script macros including Groovy and Python macros that allow remote code execution including unrestricted read and write access to all wiki contents. This can be reproduced with the following steps:
- Open the invitation application (Invitation.WebHome).
- Set the subject to
{{cache}}{{groovy}}new File("/tmp/exploit.txt").withWriter { out -> out.println("Attacked from invitation!"); }{{/groovy}}{{/cache}}
- Click "Preview"
Patches
The vulnerability has been patched on XWiki 14.4.8, 15.2-rc-1, and 14.10.6.
Workarounds
The vulnerability can be patched manually by applying the patch on Invitation.InvitationCommon
and Invitation.InvitationConfig
.
References
- https://jira.xwiki.org/browse/XWIKI-20421
- https://github.com/xwiki/xwiki-platform/commit/ff1d8a1790c6ee534c6a4478360a06efeb2d3591
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
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS03OTU0LTZtOXEtZ3B2Zs4AA1Yx
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Critical
Classification: General
Published: 9 months ago
Updated: 6 months ago
CVSS Score: 9.9
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L
Identifiers: GHSA-7954-6m9q-gpvf, CVE-2023-37914
References:
- https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-7954-6m9q-gpvf
- https://nvd.nist.gov/vuln/detail/CVE-2023-37914
- https://github.com/xwiki/xwiki-platform/commit/ff1d8a1790c6ee534c6a4478360a06efeb2d3591
- https://jira.xwiki.org/browse/XWIKI-20421
- https://github.com/advisories/GHSA-7954-6m9q-gpvf
Blast Radius: 1.0
Affected Packages
maven:org.xwiki.platform:xwiki-platform-invitation-ui
Affected Version Ranges: >= 15.0-rc-1, < 15.2-rc-1, >= 14.5, < 14.10.6, >= 2.5-m-1, < 14.4.8Fixed in: 15.2-rc-1, 14.10.6, 14.4.8