fix: Make sure user input is not treated as safe in the oauth view #1978
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@@ Coverage Diff @@
## master #1978 +/- ##
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Coverage 78.13% 78.13%
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Files 71 71
Lines 8612 8612
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Hits 6729 6729
Misses 1883 1883
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@dpgaspar Can you review this change? It solves a upstream Issue in apache airflow which allows XSS via the next paramter |
dpgaspar
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Feb 1, 2023
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AVMusorin
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Jun 5, 2023
Since next parameter shouldn't be used with `safe` Jinja filter (see dpgaspar#1978), to avoid double escaping we can use Jinja's `urlencode`. Also, it might be clearer to work with this parameter in the related libraries, no need to double unquote the url.
AVMusorin
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Jun 5, 2023
Since next parameter shouldn't be used with `safe` Jinja filter (see dpgaspar#1978), to avoid double escaping we can use Jinja's `urlencode`. Also, it might be clearer to work with this parameter in the related libraries, no need to double unquote the url.
6 tasks
dpgaspar
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Jun 20, 2023
Since next parameter shouldn't be used with `safe` Jinja filter (see #1978), to avoid double escaping we can use Jinja's `urlencode`. Also, it might be clearer to work with this parameter in the related libraries, no need to double unquote the url. Co-authored-by: Daniel Vaz Gaspar <[email protected]>
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Was an advisory ever published for this issue? I don't think I see it at https://github.com/dpgaspar/Flask-AppBuilder/security |
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Description
Fix a security issue issue with the next parameter in the OAUTH Login field.
The user can edit the next field from within the URL, this can cause reflected XSS.
for example /login/?next="-alert(document.location)-" will alert the document location.
ADDITIONAL INFORMATION