Input validation error in Tornado - CVE-2012-2374
Published: May 23, 2012 / Updated: August 11, 2020
Vulnerability identifier: #VU44054
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2012-2374
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to manipulate data.
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.
Affected software
Tornado
Fedora
python-tornado
Fedora
python-tornado
How to mitigate CVE-2012-2374
Install update from vendor's website.
python-tornado - update to 2.2.1-1.el6