SB2016091511 - Access bypass in Drupal Drupal
Published: September 15, 2016
Security Bulletin ID
SB2016091511
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Access bypass (CVE-ID: CVE-2011-2726)
CWE-ID: CWE-284 - Improper Access Control
CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
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.