CVE-2017-2807 : Vulnerability Insights and Analysis

Ledger CLI version 3.1.1 is affected by a vulnerability that allows for remote code execution through a buffer overflow. This CVE was published on August 30, 2017, with a CVSS base score of 7.5.

Understanding CVE-2017-2807

Ledger CLI 3.1.1 vulnerability leading to remote code execution.

What is CVE-2017-2807?

The vulnerability in Ledger CLI 3.1.1 allows attackers to execute arbitrary code by exploiting a buffer overflow in the tag parsing feature.

The Impact of CVE-2017-2807

CVSS Base Score: 7.5 (High)
Attack Vector: Network
Attack Complexity: High
Privileges Required: None
User Interaction: Required
Confidentiality, Integrity, and Availability Impact: High
Vulnerability Type: Remote code execution

Technical Details of CVE-2017-2807

Ledger CLI 3.1.1 vulnerability details.

Vulnerability Description

The vulnerability in Ledger CLI 3.1.1 allows for remote code execution through a specially crafted journal file that triggers an integer underflow.

Affected Systems and Versions

Affected Product: Ledger CLI
Affected Version: 3.1.1

Exploitation Mechanism

Attackers can exploit this vulnerability by creating a malicious journal file that manipulates an integer underflow, leading to the execution of arbitrary code.

Mitigation and Prevention

Steps to mitigate and prevent the CVE-2017-2807 vulnerability.

Immediate Steps to Take

Update Ledger CLI to a non-vulnerable version.
Avoid opening untrusted journal files.
Implement network security measures to prevent unauthorized access.

Long-Term Security Practices

Regularly update software and apply security patches.
Conduct security audits to identify and address vulnerabilities.
Educate users on safe computing practices to prevent exploitation.

Patching and Updates

Check for security advisories from Ledger for patches.
Apply patches promptly to secure systems against known vulnerabilities.