It was theoretically possible to execute a timing attack on the password checking functionality. This was a low-risk vulnerability due to the effort required to execute this attack successfully.
Part of patch SUPEE-8788
This vulnerability affects the following application versions:
- Magento 1.4.0.0
- Magento 1.4.0.1
- Magento 1.4.1.0
- Magento 1.4.1.1
- Magento 1.4.2.0
- Magento 1.5.0.1
- Magento 1.5.1.0
- Magento 1.6.0.0
- Magento 1.6.1.0
- Magento 1.6.2.0
- Magento 1.7.0.0
- Magento 1.7.0.1
- Magento 1.7.0.2
- Magento 1.8.0.0
- Magento 1.8.1.0
- Magento 1.9.0.0
- Magento 1.9.0.1
- Magento 1.9.1.0
- Magento 1.9.1.1
- Magento 1.9.2.0
- Magento 1.9.2.1
- Magento 1.9.2.2
- Magento 1.9.2.3
- Magento 1.9.2.4