CVE-2017-2808 : Security Advisory and Response

A vulnerability in Ledger CLI 3.1.1 allows for arbitrary code execution through a crafted ledger file, posing a significant security risk.

Understanding CVE-2017-2808

Ledger CLI 3.1.1 is susceptible to a use-after-free vulnerability that can be exploited to execute arbitrary code.

What is CVE-2017-2808?

This CVE identifies a flaw in the account parsing component of Ledger CLI 3.1.1, enabling attackers to execute arbitrary code by manipulating ledger files.

The Impact of CVE-2017-2808

The vulnerability's high severity rating stems from its potential to execute arbitrary code, compromising confidentiality, integrity, and availability.

Technical Details of CVE-2017-2808

Ledger CLI 3.1.1's vulnerability allows for the execution of arbitrary code through a specially crafted ledger file.

Vulnerability Description

A use-after-free vulnerability in Ledger CLI 3.1.1's account parsing component permits the execution of arbitrary code by loading a manipulated ledger file.

Affected Systems and Versions

Product: Ledger CLI
Vendor: Ledger
Versions Affected: Ledger HEAD Ledger 3.1.

Exploitation Mechanism

Attack Complexity: High
Attack Vector: Network
Privileges Required: None
User Interaction: Required
Scope: Unchanged
Exploitation: By manipulating ledger files to trigger the use-after-free vulnerability.

Mitigation and Prevention

Taking immediate steps and implementing long-term security practices are crucial to mitigating the risks posed by CVE-2017-2808.

Immediate Steps to Take

Update Ledger CLI to a patched version.
Avoid loading ledger files from untrusted sources.
Educate users about the risks of loading manipulated ledger files.

Long-Term Security Practices

Regularly update software and apply security patches promptly.
Implement security awareness training to recognize and prevent social engineering attacks.

Patching and Updates

Ledger CLI users should apply the latest security patches to address the vulnerability and prevent exploitation.