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GHSA-r9rv-9mh8-pxf4
No affected components available
Impact
Currently, when a node receives a block in future according to its local wall clock, it will mark the block as invalid and ban the peer.
If the header's timestamp is more than 15 seconds ahead of our current time. In that case, the header may become valid in the future, and we don't want to disconnect a peer merely for serving us one too-far-ahead block header, to prevent an attacker from splitting the network by mining a block right at the 15 seconds boundary.
Patches
Upgrade to v0.33.1 or above.
Workarounds
Don't ban peer serving too-far-ahead block header.
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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