Cross-site scripting in Python - CVE-2011-4940

CSH
CYBERSECURITY HELP
Sign In REGISTER
 
Main Vulnerability Database Vulnerabilities #VU32785

Cross-site scripting in Python - CVE-2011-4940

Published: June 27, 2012 / Updated: July 28, 2020


Vulnerability identifier: #VU32785
CSH Severity: Low
CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2011-4940
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to insufficient sanitization of user-supplied data when processing data passed via UTF-7 encoding. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code 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

Python
Amazon Linux AMI
python (Alpine package)

How to mitigate CVE-2011-4940

The vendor has issued the following versions to address this vulnerability: 2.6.7, 2.7.2.

Python - addressed in versions 2.6.7, 2.7.2
python (Alpine package) - update to 2.6.7-r0

External References

Related Security Bulletins