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GHSA-cqff-fx2x-p86v
No affected components available
Impact
A maliciously crafted claim may be incorrectly authenticated by the bot. Impacts bots that are not configured to be used as a Skill. This vulnerability requires an attacker to have internal knowledge of the bot.
Patches
The problem has been patched in all affected versions. Please see the list of patched versions for the most appropiate one for your individual case.
Workarounds
Users who do not wish or are not able to upgrade can add an authentication configuration containing ClaimsValidator, which throws an exception if Claims are Skill Claims.
For detailed instructions, see the link in the References section.
For more information
If you have any questions or comments about this advisory:
- Open an issue in Microsoft Bot Builder SDK
- Email us at bf-reports@microsoft.com
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. The attacker needs the user to perform some action, like clicking a link. The impact is confined to the system where the vulnerability exists. There is a high impact on the integrity of the data.
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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