OnShift TurboGears HTTP Header controllers.py response splitting

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability classified as critical has been found in OnShift TurboGears This affects an unknown function of the file turbogears/controllers.py of the component HTTP Header Handler. The manipulation with an unknown input leads to a response splitting vulnerability. CWE is classifying the issue as CWE-113. The software receives data from an upstream component, but does not neutralize or incorrectly neutralizes CR and LF characters before the data is included in outgoing HTTP headers. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was shared 02/02/2023 as 18. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2019-25101. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch f68bbaba47f4474e1da553aa51564a73e1d92a84 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version. The advisory contains the following remark:

There was a Header Injection issue (remember HTTP is a text protocol and new lines matter). Basically you could inject a header or even the text with certain parameters.





  • open-source

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔒

CNA Base Score: 6.3
CNA Vector (VulDB): 🔒



VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

NVD Base Score: 🔒


Class: Response splitting
CWE: CWE-113 / CWE-93 / CWE-74
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒


Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍


Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: TurboGears
Patch: f68bbaba47f4474e1da553aa51564a73e1d92a84


02/02/2023 Advisory disclosed
02/02/2023 +0 days CVE reserved
02/02/2023 +0 days VulDB entry created
03/04/2023 +30 days VulDB last update


Advisory: 18
Status: Confirmed

CVE: CVE-2019-25101 (🔒)


Created: 02/02/2023 09:03 PM
Updated: 03/04/2023 09:15 AM
Changes: 02/02/2023 09:03 PM (45), 03/04/2023 09:11 AM (2), 03/04/2023 09:15 AM (28)
Complete: 🔍


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