Mike Lissner added the comment:
Looks like that CVE isn't public yet.
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-0391
Any chance I can get access (I originally reported this vuln.). My email is
m...@free.law, if it's possible and my email is needed.
Thanks
Mike Lissner added the comment:
> With the fix for this bug, urlsplit silently removes (some of) those
> characters before we can replace them, modifying the output of our
> sanitisation code
I don't have any good solutions for 3.9.5, but going forward, this feels like
anothe
Mike Lissner added the comment:
> I'd wonder how to pass through valid exceptions without urlparse raising
> something.
Oops, meant to say "valid URLs", not valid exceptions, sorry.
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Mike Lissner added the comment:
> Instead of the patches as you see them, we could've raised an exception.
In my mind the definition of a valid URL is what browsers recognize. They're
moving towards the WHATWG definition, and so too must we.
If we make python raise an exception when a
Mike Lissner added the comment:
I haven't watched that Blackhat presentation yet, but from the slides, it seems
like the fix is to get all languages parsing URLs the same as the browsers.
That's what @orsenthil has been doing here and plans to do in
https://bugs.python.org/issue43883
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New submission from Mike Lissner:
I just ran into a funny corner case I imagine others are aware of. When you
write "\b" in Python, it is a single character: "\x08". So if you try to write
a regex like:
words = '\b(.*)\b'
That won't work. But using a raw string will:
Mike Lissner added the comment:
This is an old issue, but where I run into it frequently is when I use the
format function and string interpolation. For example, this throws a
SyntaxError:
"The name of the person is {name_first} {name_last}".format(
**my_obj.__dict__,
)
Becau
Mike Lissner added the comment:
Just hopping in here to say that the work going down here is beautiful. I've
filed a lot of bugs. This one's not particularly difficult, but damn, I
appreciate the speed and quality going into fixing it.
Glad to see the Python language is a happy place
Mike Lissner added the comment:
@pitrou, I haven't delved into URLs in a long while, but the general idea is:
scheme://domain:port/path?query_string#fragment_id
When would it ever make sense to have something up a level from the root of the
domain
Mike Lissner added the comment:
@demian.brecht, that'd make me very pleased if you took this over. I won't have
time to devote to it, unfortunately.
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http://bugs.python.org/issue22118
New submission from Mike Lissner:
Not sure if this is desired behavior, but it's making my code break, so I
figured I'd get it filed.
I'm trying to crawl this website:
https://www.appeals2.az.gov/ODSPlus/recentDecisions2.cfm
Unfortunately, most of the URLs in the HTML are relative, taking
Mike Lissner added the comment:
FWIW, the workaround that I've just created for this problem is this:
u = 'https://www.appeals2.az.gov/../Decisions/CR20130096OPN.pdf'
# Split the url and rejoin it, nuking any '/..' patterns at the
# beginning of the path.
s = urlsplit(u)
urlunsplit(s[:2
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