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GHSA-fj52-5g4h-gmq8
No affected components available
Summary
The pyload application does not properly invalidate or modify sessions upon changes made to a user's permissions.
Details
Whenever an administrator changes the permissions a specific account has, they do not expect that account still being able to access data that their new permissions do not allow. This is not the case for the pyload application, as a user with a valid session can still perform the actions.
PoC
Take a user with all the permissions, as shown below.
We now log in as this user.
Let us now take away all the permissions.
The logged in session can still be used to access everything in the application.
Impact
Should permissions be taken away, then the user is expected not to be able to execute the actions belonging to those actions anymore.
The vulnerability can be exploited over the network without needing physical access. It is difficult for an attacker to exploit this vulnerability and may require special conditions. An attacker does not need any special privileges or access rights. No user interaction is needed for the attacker to exploit this vulnerability.
Limited exploitation activity has been observed. Close monitoring and planned remediation are recommended.
Probability that this vulnerability will be exploited in the wild within the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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