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CVE-2015-5267

UnknownEPSS 2.37%

Last modified

CVE-2015-5267 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 2.37% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability
2.37%

81.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MoodleMoodle<= 2.6.11
MoodleMoodle2.7.0
MoodleMoodle2.7.1
MoodleMoodle2.7.2
MoodleMoodle2.7.3
MoodleMoodle2.7.4
MoodleMoodle2.7.5
MoodleMoodle2.7.6
MoodleMoodle2.7.7
MoodleMoodle2.7.8
MoodleMoodle2.7.9
MoodleMoodle2.8.0
MoodleMoodle2.8.1
MoodleMoodle2.8.2
MoodleMoodle2.8.3
MoodleMoodle2.8.4
MoodleMoodle2.8.5
MoodleMoodle2.8.6
MoodleMoodle2.8.7
MoodleMoodle2.9.0
MoodleMoodle2.9.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2015-5267?
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.
How severe is CVE-2015-5267?
Severity scoring for CVE-2015-5267 is pending analysis. The EPSS model estimates a 2.37% probability of exploitation in the next 30 days.
How do I fix CVE-2015-5267?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST