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GHSA-3wxm-m9m4-cprj
No affected components available
Impact
If your installation is using the export-importer service, there is potential impact.
If your installation is not importing keys via the export-importer services, your installation is not impacted.
In versions 0.19.1 and earlier, the export-importer service assumed that the server it was importing from had properly embargoed keys for at least 2 hours after their expiry time. There are now known instances of servers that did not properly embargo keys.
This could allow allow for imported keys to be re-published before they have expired, allowing for potential replay of RPIs.
Patches
This is patched in v0.18.3 and all versions 0.19.2 and later.
Workarounds
Ensure that the servers you are importing export zip files from are not publishing keys too early.
References
n/a
For more information
If you have any questions or comments about this advisory
- Open an issue in exposure-notifications-server
- Email us at exposure-notifications-feedback@google.com
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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