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GHSA-74r7-3mjm-jc5v
No affected components available
Impact
If the resolver parameter is passed, but the user does not exist, all failcounters of tokens in that resolver will be increased.
Patches
This, along with other issues, was fixed in eduMFA v2.9.1.
Workarounds
Limiting access to /validate/check to client applications (i.e. Shibboleth/FreeRADIUS) using an authorization policy with api_key_required or using e.g. the reverse proxy.
The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker needs basic access or low-level privileges. No user interaction is needed for the attacker to exploit this vulnerability. The impact is confined to the system where the vulnerability exists. There is a high impact on the availability of the system.
Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.
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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