id: PYSEC-2012-5
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.
affected:
- package:
    name: tornado
    ecosystem: PyPI
    purl: pkg:pypi/tornado
  ranges:
  - type: ECOSYSTEM
    events:
    - introduced: "0"
    - fixed: 2.2.1
  versions:
  - "0.2"
  - "1.0"
  - "1.1"
  - 1.1.1
  - "1.2"
  - 1.2.1
  - "2.0"
  - "2.1"
  - 2.1.1
  - "2.2"
references:
- type: WEB
  url: http://www.tornadoweb.org/documentation/releases/v2.2.1.html
- type: WEB
  url: http://openwall.com/lists/oss-security/2012/05/18/12
- type: ADVISORY
  url: http://secunia.com/advisories/49185
- type: WEB
  url: http://www.securityfocus.com/bid/53612
- type: WEB
  url: http://www.openwall.com/lists/oss-security/2012/05/18/6
- type: ADVISORY
  url: https://github.com/advisories/GHSA-f7fv-v9rh-prvc
aliases:
- CVE-2012-2374
- GHSA-f7fv-v9rh-prvc
modified: "2021-07-05T00:01:27.298545Z"
published: "2012-05-23T20:55:00Z"