Server-Side Request Forgery (SSRF) in Drupal - CVE-2020-13663
Published: June 18, 2020
Vulnerability identifier: #VU29135
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N]
CVE-ID: CVE-2020-13663
CWE-ID: CWE-918
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The disclosed vulnerability allows a remote attacker to perform SSRF attacks.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can send a specially crafted HTTP request and trick the application to initiate requests to arbitrary systems.
Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network or send malicious requests to other servers from the vulnerable system.
Affected software
Drupal
Backdrop CMS
Fedora
drupal7 (Alpine package)
drupal7 (Debian package)
drupal7
Backdrop CMS
Fedora
drupal7 (Alpine package)
drupal7 (Debian package)
drupal7
How to mitigate CVE-2020-13663
Install updates from vendor's website.
Drupal - addressed in versions 7.72, 8.8.8, 8.9.1, 9.0.1
Backdrop CMS - addressed in versions 1.15.4, 1.16.2
drupal7 (Alpine package) - update to 7.72-r0
drupal7 (Debian package) - update to 7.52-2+deb9u11
drupal7 - addressed in versions 7.72-1.el6, 7.72-1.el7, 7.72-1.fc31, 7.72-1.fc32, 7.72-1.fc33
Backdrop CMS - addressed in versions 1.15.4, 1.16.2
drupal7 (Alpine package) - update to 7.72-r0
drupal7 (Debian package) - update to 7.52-2+deb9u11
drupal7 - addressed in versions 7.72-1.el6, 7.72-1.el7, 7.72-1.fc31, 7.72-1.fc32, 7.72-1.fc33