Description
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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 7 | drupal7 | 7.14-2+deb7u8 | DSA-3075-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 14.04 LTS | drupal7 | No fix yet | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Metasploit 1 module
-
WordPress Long Password DoS
auxiliary/dos/http/wordpress_long_password_dos
Exploit-DB 1
- Drupal < 7.34 - Denial of Service EDB-35415 · dos · Dec 1, 2014
GitHub 2 repositories
-
c0r3dump3d/wp_drupal_timing_attack ★ 13 · Dec 1, 2014
Python scripts to exploit CVE-2014-9016 and CVE-2014-9034
-
Primus27/WordPress-Long-Password-Denial-of-Service ★ 1 · Feb 8, 2020
Exhaust WordPress <V5.0.1 resources using long passwords (CVE-2014-9016)
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 1
- DSA-3075-1 drupal7 - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- https://www.drupal.org/node/2378375
- [oss-security] 20141120 Pending CVE assignments for SA-CORE-2014-006? mailing-list
- https://www.drupal.org/SA-CORE-2014-006
- [oss-security] 20141120 Re: [security] Pending CVE assignments for SA-CORE-2014-006? mailing-list
- 59164 third-party-advisory
- https://www.drupal.org/node/2378367
- [oss-security] 20141120 Re: [security] Pending CVE assignments for SA-CORE-2014-006? mailing-list
- 59814 third-party-advisory
- DSA-3075 vendor-advisory