Path traversal in XWiki Platform

1) Path traversal

EUVDB-ID: #VU63847

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

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

CPE2.3

• cpe:2.3:a:xwiki:xwiki-platform:8.3:rc-1:*:*:*:*:*:*

External links

https://github.com/xwiki/xwiki-platform/commit/4917c8f355717bb636d763844528b1fe0f95e8e2
https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-9qrp-h7fw-42hg
https://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.