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Bug 1316083 (DWF-2016-89000) - tgcaptcha does not have any prevention against replay attacks
Summary: tgcaptcha does not have any prevention against replay attacks
Keywords:
Status: CLOSED ERRATA
Alias: DWF-2016-89000
Product: Fedora
Classification: Fedora
Component: python-tgcaptcha2
Version: rawhide
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: ---
Assignee: Pierre-YvesChibon
QA Contact: Pierre-YvesChibon
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2016-03-09 11:40 UTC by Patrick Uiterwijk
Modified: 2016-11-08 16:14 UTC (History)
1 user (show)

Fixed In Version: python-tgcaptcha2-0.3.1-1.fc22 python-tgcaptcha2-0.3.1-1.fc23 python-tgcaptcha2-0.3.1-1.el6 python-tgcaptcha2-0.3.1-1.fc24
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2016-04-24 20:49:53 UTC
Type: Bug
Embargoed:

Attachments (Terms of Use)

Description Patrick Uiterwijk 2016-03-09 11:40:45 UTC 
Description of problem:
If an attacker stores a captcha and its hidden value, they can reuse that same captcha an unlimited amount of time for as long as it's valid.

Version-Release number of selected component (if applicable):
python-tgccaptcha2-0.2.0-1

How reproducible:
Consistent

Steps to Reproduce:
1. Get one captcha value and store the hidden value and solves answer
2. Submit those values twice

Actual results:
Both times are accepted.

Expected results:
The second time should be refused.

Additional info:
Comment 1 Fedora Update System 2016-03-09 14:09:40 UTC 
python-tgcaptcha2-0.3.1-1.fc24 has been submitted as an update to Fedora 24. https://bodhi.fedoraproject.org/updates/FEDORA-2016-cdb5052362
Comment 2 Fedora Update System 2016-03-09 14:09:51 UTC 
python-tgcaptcha2-0.3.1-1.el6 has been submitted as an update to Fedora EPEL 6. https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2016-44de0606ef
Comment 3 Fedora Update System 2016-03-09 14:09:58 UTC 
python-tgcaptcha2-0.3.1-1.fc23 has been submitted as an update to Fedora 23. https://bodhi.fedoraproject.org/updates/FEDORA-2016-d7dafbf27f
Comment 4 Fedora Update System 2016-03-09 14:10:05 UTC 
python-tgcaptcha2-0.3.1-1.fc22 has been submitted as an update to Fedora 22. https://bodhi.fedoraproject.org/updates/FEDORA-2016-5f44e89fe0
Comment 5 Fedora Update System 2016-03-10 01:56:01 UTC 
python-tgcaptcha2-0.3.1-1.fc24 has been pushed to the Fedora 24 testing repository. If problems still persist, please make note of it in this bug report.
See https://fedoraproject.org/wiki/QA:Updates_Testing for
instructions on how to install test updates.
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2016-cdb5052362
Comment 6 Fedora Update System 2016-03-10 15:53:32 UTC 
python-tgcaptcha2-0.3.1-1.el6 has been pushed to the Fedora EPEL 6 testing repository. If problems still persist, please make note of it in this bug report.
See https://fedoraproject.org/wiki/QA:Updates_Testing for
instructions on how to install test updates.
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2016-44de0606ef
Comment 7 Fedora Update System 2016-03-10 16:51:52 UTC 
python-tgcaptcha2-0.3.1-1.fc22 has been pushed to the Fedora 22 testing repository. If problems still persist, please make note of it in this bug report.
See https://fedoraproject.org/wiki/QA:Updates_Testing for
instructions on how to install test updates.
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2016-5f44e89fe0
Comment 8 Fedora Update System 2016-03-10 16:53:49 UTC 
python-tgcaptcha2-0.3.1-1.fc23 has been pushed to the Fedora 23 testing repository. If problems still persist, please make note of it in this bug report.
See https://fedoraproject.org/wiki/QA:Updates_Testing for
instructions on how to install test updates.
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2016-d7dafbf27f
Comment 9 Fedora Update System 2016-04-24 20:49:49 UTC 
python-tgcaptcha2-0.3.1-1.fc22 has been pushed to the Fedora 22 stable repository. If problems still persist, please make note of it in this bug report.
Comment 10 Fedora Update System 2016-04-24 20:53:21 UTC 
python-tgcaptcha2-0.3.1-1.fc23 has been pushed to the Fedora 23 stable repository. If problems still persist, please make note of it in this bug report.
Comment 11 Fedora Update System 2016-04-24 20:53:44 UTC 
python-tgcaptcha2-0.3.1-1.el6 has been pushed to the Fedora EPEL 6 stable repository. If problems still persist, please make note of it in this bug report.
Comment 12 Fedora Update System 2016-05-07 12:12:25 UTC 
python-tgcaptcha2-0.3.1-1.fc24 has been pushed to the Fedora 24 stable repository. If problems still persist, please make note of it in this bug report.
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