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GHSA-ppjg-v974-84cm
No affected components available
Impact
A vulnerable node, can be made to consume unbounded amounts of memory when handling specially crafted p2p messages sent from an attacker node.
Details
The p2p handler spawned a new goroutine to respond to ping requests. By flooding a node with ping requests, an unbounded number of goroutines can be created, leading to resource exhaustion and potentially crash due to OOM.
Patches
The fix is included in geth version 1.12.1-stable, i.e, 1.12.2-unstable and onwards.
Fixed by https://github.com/ethereum/go-ethereum/pull/27887
Workarounds
No known workarounds.
Credits
This bug was reported by Patrick McHardy and reported via bounty@ethereum.org.
References
The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights. 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.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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