CVE-2018-12018
CVSS v3
7.5
HIGH
EPSS Score
12.2 %
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
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.
Technical details
- Published
- 2018-07-05
Frequently asked questions
What is CVE-2018-12018?
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.
Is CVE-2018-12018 actively exploited?
Active exploitation of CVE-2018-12018 has not been confirmed. The EPSS score is 12.2%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2018-12018?
CVE-2018-12018 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2018-12018 affecting your environment?
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