Security restrictions bypass in Drupal - CVE-2017-6922
Published: June 23, 2017
Vulnerability identifier: #VU7179
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-6922
CWE-ID: CWE-693
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerability details
The vulnerability allows a remote attacker to bypass security restrictions on the target system.
The weakness exists due to insufficient file protection. A remote attacker can bypass access restrictions and view private files that have been uploaded by an anonymous user but not permanently attached to content on the site.
Successful exploitation of the vulnerability may result in access bypass.
Note: The vulnerability was being actively exploited for spam purposes.
The weakness exists due to insufficient file protection. A remote attacker can bypass access restrictions and view private files that have been uploaded by an anonymous user but not permanently attached to content on the site.
Successful exploitation of the vulnerability may result in access bypass.
Note: The vulnerability was being actively exploited for spam purposes.
Affected software
Drupal
Debian Linux
Fedora
drupal7 (Alpine package)
drupal7
Debian Linux
Fedora
drupal7 (Alpine package)
drupal7
How to mitigate CVE-2017-6922
Update to version 7.56 and 8.3.4.
drupal7 (Alpine package) - update to 7.56-r0
drupal7 - addressed in versions 7.56-1.el6, 7.56-1.el7, 7.56-1.fc24, 7.56-1.fc25, 7.56-1.fc26
drupal7 - addressed in versions 7.56-1.el6, 7.56-1.el7, 7.56-1.fc24, 7.56-1.fc25, 7.56-1.fc26