The password hashing API in Drupal 7.x before 7.34 and the Secure Password Hashes (aka phpass) module 6.x-2.x before 6.x-2.1 for Drupal allows remote attackers to cause a denial of service (CPU and memory consumption) via a crafted request.
http://www.openwall.com/lists/oss-security/2014/11/21/1
http://www.openwall.com/lists/oss-security/2014/11/20/3
http://www.openwall.com/lists/oss-security/2014/11/20/21
http://www.debian.org/security/2014/dsa-3075
http://secunia.com/advisories/59814
http://secunia.com/advisories/59164
https://www.drupal.org/node/2378375
https://www.drupal.org/node/2378367
https://www.drupal.org/SA-CORE-2014-006
Source: Mitre, NVD
Published: 2014-11-24
Updated: 2025-04-12
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P
Severity: Medium
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity: High
EPSS: 0.79786