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RootPage.loginUser can lead to sensitive information leak #1063

rcaa opened this issue Apr 18, 2016 · 2 comments

RootPage.loginUser can lead to sensitive information leak #1063

rcaa opened this issue Apr 18, 2016 · 2 comments


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@rcaa rcaa commented Apr 18, 2016, response, user);

The user argument contains sensitive information, such as user password. The user password is combined with user login to form a hash using SHA-1 algorithm. However, this is a weak algorithm, and tools like hash killer can easily decrypt billions of hashes.

I would suggest avoiding passing user password to setCookie(). This would help to prevent someone accessing our accounts when they have access to our browser cookies.


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@gitblit gitblit commented Apr 20, 2016

Hi @rcaa. Thanks for the report. Perhaps you'd be willing to submit a PR?


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@rcaa rcaa commented Apr 25, 2016

Sure, @gitblit . I have submitted a pull request just now.

@ubala ubala mentioned this issue May 13, 2016
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fzs added a commit to fzs/gitblit that referenced this issue Dec 10, 2016
To get proper entropy in user authentication cookie creation,
make use of `SecureRandom` instead of using `Math.random()`, or

Introduce our own wrapper `SecureRandom` around ``.
This a) makes sure that the PRNG is seeded on creation and not when
random bytes are retrieved, and
b) uses a static instance in the `UserModel` so that lags do not occur
during operation due to potentially seeding getting blocked on Unix
when reading from the system's entropy pool. To keep the random data
still secure, the static instance will reseed all 24 hours, also a
functionality of the wrapper class.

This fixes gitblit#1063 and extends and closes PR gitblit#1116
@fzs fzs added this to the 1.9.0 milestone Dec 13, 2016
@fzs fzs closed this in 2be2c2c Dec 13, 2016
@fzs fzs removed the Status-Obsolete label Nov 13, 2019
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