CVE-2012-2374

medium
Published 2012-05-23 · Modified 2024-05-01
CVSS v3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS v2
5.0
VIR risk
5.0

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.

Predictions

Exploit likelihood
30%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2012-2374

vendor Authored 2026-05-27

Vendor advisory: secalert@redhat.com — http://www.tornadoweb.org/documentation/releases/v2.2.1.html

OS impact

OSVersionStatusFixed in
debian debianbookwormfixed2.1.0-3
debian debianbullseyefixed2.1.0-3
debian debianforkyfixed2.1.0-3
debian debiansidfixed2.1.0-3
debian debiantrixiefixed2.1.0-3

Package impact

EcosystemPackageVulnerableFixed
python PyPItornado<2.2.12.2.1

Application impact

VendorProductVersionsFixed
tornadowebtornado{"endIncluding":"2.2"}
tornadowebtornado1.0
tornadowebtornado1.0.1
tornadowebtornado1.1
tornadowebtornado1.1.1
tornadowebtornado1.2
tornadowebtornado1.2.1
tornadowebtornado2.0
tornadowebtornado2.1
tornadowebtornado2.1.1

References

CWEs

CWE-20

Verify integrity in audit chain (admin only). AS-IS.