MEDIUM5.0

PYSEC-2012-5

Quick fix

PYSEC-2012-5 — tornado: upgrade to the fixed version with the command below.

pip install --upgrade 'tornado>=2.2.1'

Details

CRLF injection vulnerability in the tornado.web.RequestHandler.set_header function in Tornado before 2.2.1 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via crafted input.

Are you affected?

Enter the version of the package you're using.

Affected packages

PyPI/tornado

Introduced in: 0Fixed in: 2.2.1

Fixpip install --upgrade 'tornado>=2.2.1'

References

http://www.tornadoweb.org/documentation/releases/v2.2.1.html[WEB]
http://openwall.com/lists/oss-security/2012/05/18/12[WEB]
http://secunia.com/advisories/49185[ADVISORY]
http://www.securityfocus.com/bid/53612[WEB]
http://www.openwall.com/lists/oss-security/2012/05/18/6[WEB]
https://github.com/advisories/GHSA-f7fv-v9rh-prvc[ADVISORY]