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Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')

CVE-2019-25101

Severity High
Score 9.8/10

Summary

A vulnerability classified as critical has been found in OnShift TurboGears versions through 1.0.11.10 and 1.1 through 1.5.1. The affected function is "redirect" in the file "turbogears/controllers.py" of the component HTTP Header Handler. The manipulation leads to HTTP Response Splitting. It is possible to initiate the attack remotely. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-220059.

  • LOW
  • NETWORK
  • HIGH
  • UNCHANGED
  • NONE
  • NONE
  • HIGH
  • HIGH

CWE-113 - Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')

The software receives data from an HTTP agent/component (e.g., web server, proxy, browser, etc.), but it does not neutralize or incorrectly neutralizes CR and LF characters before the data is included in outgoing HTTP headers.

Advisory Timeline

  • Published