SB2016091511 - Access bypass in Drupal Drupal



SB2016091511 - Access bypass in Drupal Drupal

Published: September 15, 2016

Security Bulletin ID SB2016091511
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Access bypass (CVE-ID: CVE-2011-2726)

The vulnerability allows a remote user to get access to private file fields on comments.
The weakness exists due to access control error. Drupal 7 has 2 new features: attaching File upload fields to any entity type, individual File upload fields - to the private file directory. A non-privileged user can download file attached to the comment, if he guessed or learnt a direct URL and if these featurs are using on comments.
Successfull exploitation of the vulnerability allows non-privileged users to access private file fields.

Remediation

Install update from vendor's website.