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GHSA-9gxx-58q6-42p7
No affected components available
Impact
A parsing vulnerability in lnd's onion processing logic led to a DoS vector due to excessive memory allocation.
Patches
The issue was patched in lnd v0.17.0. Users should update to a version >= v0.17.0 to be protected.
References
Detailed blog post: https://morehouse.github.io/lightning/lnd-onion-bomb/
Developer discussion: https://delvingbitcoin.org/t/dos-disclosure-lnd-onion-bomb/979
The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker needs basic access or low-level privileges. 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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