Information disclosure in Moodle - CVE-2015-5267
Published: February 22, 2016 / Updated: August 9, 2020
Vulnerability identifier: #VU40466
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2015-5267
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.
lib/moodlelib.php in Moodle through 2.6.11, 2.7.x before 2.7.10, 2.8.x before 2.8.8, and 2.9.x before 2.9.2 relies on the PHP mt_rand function to implement the random_string and complex_random_string functions, which makes it easier for remote attackers to predict password-recovery tokens via a brute-force approach.
Affected software
Moodle
Fedora
moodle
Fedora
moodle
How to mitigate CVE-2015-5267
Install update from vendor's website.
moodle - addressed in versions 2.7.11-1.el6, 2.8.9-1.fc22, 2.9.3-1.fc23, 3.0-1.el7, 3.0.1-1.el7