CVE-2023-49292 : Vulnerability Insights and Analysis

This article provides detailed information about CVE-2023-49292, which involves a possible private key restoration in the go package github.com/ecies/go.

Understanding CVE-2023-49292

This vulnerability, with a CVSS base score of 4.9 (Medium severity), is related to the exposure of sensitive information to an unauthorized actor in the ecies go package.

What is CVE-2023-49292?

The vulnerability in the ecies go package allows an attacker to potentially restore private keys by exploiting certain functions like Encapsulate(), Decapsulate(), and ECDH(). It can lead to the exposure of sensitive information.

The Impact of CVE-2023-49292

If successfully exploited, this vulnerability could result in the unauthorized retrieval of private keys, posing a risk to the confidentiality and integrity of the data encrypted using the ecies library.

Technical Details of CVE-2023-49292

This section delves into the specifics of the vulnerability, affected systems, and the exploitation mechanism.

Vulnerability Description

The ecies go package vulnerability allows attackers to recover private keys by interacting with specific functions within the package, potentially compromising the security of encrypted data.

Affected Systems and Versions

The vulnerability affects versions of the ecies go package prior to version 2.0.8. Users using versions earlier than 2.0.8 are at risk of private key restoration.

Exploitation Mechanism

By calling vulnerable functions like Encapsulate(), Decapsulate(), and ECDH(), an attacker can exploit this vulnerability to retrieve private keys, leading to the exposure of sensitive information.

Mitigation and Prevention

To address CVE-2023-49292, users and administrators can take immediate and long-term security measures to safeguard their systems.

Immediate Steps to Take

Upgrade to version 2.0.8 of the ecies go package to patch the vulnerability and prevent private key restoration.

Long-Term Security Practices

Regularly monitor for security advisories and updates related to the ecies go package to stay informed about potential vulnerabilities.

Patching and Updates

Keep software and libraries up to date to ensure that known vulnerabilities are addressed promptly and security measures are in place to prevent exploitation.