PT-2021-20907 · Unknown · Chamilo Lms

Published 2021-12-03 · Updated 2022-07-12 · CVE-2021-35413

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: Chamilo LMS version v1.11.x

Description: A remote code execution (RCE) vulnerability in the course intro pdf import.php file allows authenticated attackers to execute arbitrary code via a crafted .htaccess file.

Recommendations: For version v1.11.x, consider disabling access to the course intro pdf import.php file until a patch is available. Restrict the ability to upload or modify .htaccess files to prevent exploitation.

Exploit

Fix

RCE

Missing Authorization

Weakness Enumeration

CWE-862

Related Identifiers

CVE-2021-35413

Affected Products

Chamilo Lms

References · 8

• 🔥 https://github.com/andrejspuler/writeups/tree/main/chamilo-lms#authenticated-remote-code-execution-in-import-file · Exploit
• https://github.com/chamilo/chamilo-lms/commit/2e5c004b57d551678a1815500ef91524ba7bb757 · Patch
• https://github.com/chamilo/chamilo-lms/commit/905a21037ebc9bc5369f0fb380177cb56f496f5c · Patch
• https://osv.dev/vulnerability/CVE-2021-35413 · Vendor Advisory
• https://support.chamilo.org/projects/1/wiki/Security_issues#Issue-66-2021-05-21-High-impact-very-low-risk-Authenticated-RCE-in-accessory-script · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-35413 · Security Note
• https://t.me/cvenotify/24287 · Telegram Post
• https://t.me/cibsecurity/33347 · Telegram Post