Path traversal in XWiki Platform

1) Path traversal

EUVDB-ID: #VU63847

Risk: Low

CVSSv3.1: 2.4 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-29253

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

The vulnerability allows a remote user to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in the "template name" parameter. A remote administrator can send a specially crafted HTTP request and read arbitrary files on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

XWiki platform: 8.3 rc-1

External links

http://github.com/xwiki/xwiki-platform/commit/4917c8f355717bb636d763844528b1fe0f95e8e2
http://github.com/xwiki/xwiki-platform/security/advisories/GHSA-9qrp-h7fw-42hg
http://jira.xwiki.org/browse/XWIKI-19349

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.