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GHSA-4ph2-8337-hm62
No affected components available
Impact
This advisory concerns users of MostRecentProvider in the DynamoDB Encryption Client with a key provider like AWS Key Management Service that allows for permissions on keys to be modified.
When key usage permissions were changed at the key provider, time-based key reauthorization logic in MostRecentProvider did not reauthorize the use of the key. This created the potential for keys to be used in the DynamoDB Encryption Client after permissions to do so were revoked at the key provider.
Patches
Fixed as of 1.3.0. We recommend users to modify their code and adopt CachingMostRecentProvider.
Workarounds
Users who cannot upgrade to use the CachingMostRecentProvider can call clear() on the cache to manually flush all of its contents. Next use of the key will force a re-validation to occur with the key provider.
Measures severity based on intrinsic characteristics of the vulnerability, independent of environment.
No exploitation activity has been observed at this time. Continue routine monitoring.
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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