SB2019060403 - Cross-site scripting in Django
Published: June 4, 2019 Updated: March 6, 2024
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 vulnerabilities.
1) Cross-site scripting (CVE-ID: CVE-2019-12308)
CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of URL within the AdminURLFieldWidget. A remote attacker can trick the victim to follow a specially crafted link and display a clickable JavaScript link.
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.
2) Prototype pollution (CVE-ID: CVE-2019-11358)
CWE-ID: CWE-1321 - Improperly Controlled Modification of Object Prototype Attributes (\'Prototype Pollution\')
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/U:Clear
The vulnerability allows a remote attacker to execute arbitrary JavaScript code.
The vulnerability exists due to improper input validation. A remote attacker can pass specially crafted input to the application and perform prototype pollution, which can result in information disclosure or data manipulation.
Remediation
Install update from vendor's website.
References
- http://www.openwall.com/lists/oss-security/2019/06/03/2
- https://docs.djangoproject.com/en/dev/releases/1.11.21/
- https://docs.djangoproject.com/en/dev/releases/2.1.9/
- https://docs.djangoproject.com/en/dev/releases/2.2.2/
- https://docs.djangoproject.com/en/dev/releases/security/
- https://groups.google.com/forum/#!topic/django-announce/GEbHU7YoVz8
- https://www.djangoproject.com/weblog/2019/jun/03/security-releases/