Dangerous file upload in Drupal - CVE-2019-6341

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Main Vulnerability Database Vulnerabilities #VU18065

Dangerous file upload in Drupal - CVE-2019-6341

Published: March 25, 2019 / Updated: March 26, 2019


Vulnerability identifier: #VU18065
CSH Severity: Medium
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-6341
CWE-ID: CWE-434
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data within the File module/subsystem in file.inc component. A remote authenticated attacker can upload a file with JavaScript code inside and execute it in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.


Affected software

Drupal
Backdrop CMS
Fedora
drupal7 (Alpine package)
drupal7
drupal8

How to mitigate CVE-2019-6341

Install updates from vendor's website.

Drupal - addressed in versions 7.65, 8.5.14, 8.6.13
Backdrop CMS - addressed in versions 1.11.8, 1.12.5
drupal7 (Alpine package) - update to 7.67-r0
drupal7 - addressed in versions 7.65-1.el6, 7.65-1.el7, 7.65-1.fc28, 7.65-1.fc29
drupal8 - addressed in versions 8.6.13-1.fc28, 8.6.13-1.fc29

External References

Related Security Bulletins