PT-2020-7950 · Kunena · Kunena

Published 2020-02-24 · Updated 2020-03-03 · CVE-2016-11020

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions: Kunena versions prior to 5.0.4

Description: The issue allows for XSS and potentially remote code execution due to the lack of restriction on avatar file extensions, which should be limited to gif, jpeg, jpg, and png.

Recommendations: For versions prior to 5.0.4, update to version 5.0.4 or later to resolve the issue. As a temporary workaround, consider restricting avatar file uploads to only gif, jpeg, jpg, and png extensions until a patch is applied.

Fix

Unrestricted File Upload

Weakness Enumeration

CWE-434

Related Identifiers

CVE-2016-11020

Affected Products

Kunena

References · 6

• https://github.com/Kunena/Kunena-Forum/pull/5028 · Patch
• https://kunena.org/blog/179-kunena-5-0-4-released · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2016-11020 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2016-11020 · Security Note
• https://kunena.org/bugs/changelog · Vendor Advisory
• https://t.me/cvenotify/1225 · Telegram Post