National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2018-12018 Detail

Current 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.

Source:  MITRE
Description Last Modified:  07/04/2018
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.5 HIGH
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H (V3 legend)
Impact Score: 3.6
Exploitability Score: 3.9


Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 5.0 MEDIUM
Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://github.com/ethereum/go-ethereum/commit/a5237a27eaf81946a3edb4fafe13ed6359d119e4 Patch Third Party Advisory
https://github.com/ethereum/go-ethereum/pull/16891 Issue Tracking Patch Third Party Advisory
https://github.com/ethereum/go-ethereum/releases/tag/v1.8.11 Third Party Advisory
https://peckshield.com/2018/06/27/EPoD/ Exploit Third Party Advisory

Technical Details

Vulnerability Type (View All)

  • Improper Validation of Array Index (CWE-129)

Change History

1 change record found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-12018
NVD Published Date:
07/04/2018
NVD Last Modified:
09/04/2018