CVE-2018-19184 : Exploit Details and Defense Strategies

An issue was discovered in the Go Ethereum (geth) 1.8.17 software, specifically in the cmd/evm/runner.go file. This vulnerability enables attackers to deliberately trigger a denial of service condition (SEGV) by exploiting manipulated bytecode.

Understanding CVE-2018-19184

This CVE affects the Go Ethereum (geth) software version 1.8.17, allowing attackers to cause a denial of service through crafted bytecode.

What is CVE-2018-19184?

cmd/evm/runner.go in Go Ethereum (aka geth) 1.8.17 allows attackers to cause a denial of service (SEGV) via crafted bytecode.

The Impact of CVE-2018-19184

Attackers can exploit manipulated bytecode to trigger a denial of service condition (SEGV).

Technical Details of CVE-2018-19184

This section provides technical details about the vulnerability.

Vulnerability Description

The vulnerability exists in the cmd/evm/runner.go file of Go Ethereum 1.8.17, enabling attackers to execute a denial of service attack by leveraging manipulated bytecode.

Affected Systems and Versions

Affected Software: Go Ethereum (geth) 1.8.17
Versions: n/a

Exploitation Mechanism

Attackers can exploit the vulnerability by crafting malicious bytecode to trigger a denial of service condition.

Mitigation and Prevention

Protect your systems from CVE-2018-19184 with the following steps:

Immediate Steps to Take

Update to a patched version of Go Ethereum to mitigate the vulnerability.
Monitor for any unusual activity that could indicate exploitation of the vulnerability.

Long-Term Security Practices

Regularly update software to the latest versions to address known vulnerabilities.
Implement code review processes to catch potential vulnerabilities during development.

Patching and Updates

Apply patches provided by the software vendor to fix the vulnerability and enhance system security.