CVE-2012-2374 — Improper Input Validation in Tornado

CWE-20 — Improper Input Validation6 documents5 sources
Severity
5.0MEDIUMNVD
EPSS
0.3%
top 44.08%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Tornadoweb TornadoDebian Python-tornado
Timeline
PublishedMay 23
Latest updateMay 17

Description

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.

CVSS vector

AV:N/AC:L/C:N/I:P/A:NExploitability: 10.0 | Impact: 2.9

Affected Packages3 packages

▶PyPItornadoweb/tornado< 2.2.1
▶debiandebian/python-tornado< python-tornado 2.1.0-3 (bookworm)

🔴Vulnerability Details

3
OSV
Tornado CRLF injection vulnerability↗2022-05-17
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GHSA
Tornado CRLF injection vulnerability↗2022-05-17
▶
OSV
CVE-2012-2374: CRLF injection vulnerability in the tornado↗2012-05-23
▶

📋Vendor Advisories

1
Debian
CVE-2012-2374: python-tornado - CRLF injection vulnerability in the tornado.web.RequestHandler.set_header functi...↗2012
▶

💬Community

1
Bugzilla
CVE-2012-2374 python-tornado: Tornado v2.2.1 tornado.web.RequestHandler.set_header() fix to prevent header injection↗2012-05-18
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CVE-2012-2374 — Improper Input Validation in Tornado | cvebase