CVE-2018-12018
moderate-risk
Published 2018-07-05
The GetBlockHeadersMsg handler in the LES protocol implementation in Go Ethereum (aka geth) before 1.8.11 may lead to an access violation because of an integer signedness error for the array index, which allows attackers to launch a Denial of Service attack by sending a packet with a -1 query.Skip value. The vulnerable remote node would be crashed by such an attack immediately, aka the EPoD (Ethereum Packet of Death) issue.
Do I need to act?
!
12.2% chance of exploitation in next 30 days
EPSS score — higher than 88% of all CVEs
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10
High
NETWORK
/ LOW complexity
Affected Products (1)
Affected Vendors
References (8)
Issue Tracking
https://github.com/ethereum/go-ethereum/pull/16891
Third Party Advisory
https://github.com/ethereum/go-ethereum/releases/tag/v1.8.11
Issue Tracking
https://github.com/ethereum/go-ethereum/pull/16891
Third Party Advisory
https://github.com/ethereum/go-ethereum/releases/tag/v1.8.11
43
/ 100
moderate-risk
Severity
26/34 · High
Exploitability
12/34 · Low
Exposure
5/34 · Minimal