SB2013120709 - Cryptographic issues in Drupal
Published: December 7, 2013 Updated: August 10, 2020
Security Bulletin ID
SB2013120709
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Cryptographic issues (CVE-ID: CVE-2013-6386)
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
Drupal 6.x before 6.29 and 7.x before 7.24 uses the PHP mt_rand function to generate random numbers, which uses predictable seeds and allows remote attackers to predict security strings and bypass intended restrictions via a brute force attack.
Remediation
Install update from vendor's website.