CVE-2023-24535 : What You Need to Know

This CVE-2023-24535 article provides detailed information about a vulnerability identified as "Panic when parsing invalid messages in google.golang.org/protobuf."

Understanding CVE-2023-24535

This vulnerability in google.golang.org/protobuf can lead to a panic when parsing invalid messages, specifically when parsing a text-format message with a potential number consisting of a minus sign, whitespace, and no further input.

What is CVE-2023-24535?

CVE-2023-24535 is a vulnerability in the google.golang.org/protobuf library that can cause a panic situation when parsing invalid messages. The issue arises when parsing a text-format message with a specific number format.

The Impact of CVE-2023-24535

The impact of CVE-2023-24535 can result in a denial of service (DoS) situation due to the panic when parsing certain types of invalid messages in the google.golang.org/protobuf library.

Technical Details of CVE-2023-24535

This section delves into the specific technical details related to the CVE-2023-24535 vulnerability.

Vulnerability Description

The vulnerability arises when parsing invalid messages in the google.golang.org/protobuf library, specifically in scenarios where a text-format message contains a specific number format, triggering a panic.

Affected Systems and Versions

The affected components include the "google.golang.org/protobuf/encoding/prototext" and "google.golang.org/protobuf/internal/encoding/text" products with versions 1.29.0 (less than 1.29.1) being impacted.

Exploitation Mechanism

The vulnerability can be exploited by crafting text-format messages with the specified number format to trigger a panic in the parsing process within the affected google.golang.org/protobuf components.

Mitigation and Prevention

It is crucial to implement mitigation strategies to address and prevent the CVE-2023-24535 vulnerability effectively.

Immediate Steps to Take

Developers and system administrators should update the affected google.golang.org/protobuf components to version 1.29.1 or newer to prevent the panic issue when parsing invalid messages.

Long-Term Security Practices

Implement secure coding practices, input validation mechanisms, and regular security assessments to detect and address such vulnerabilities in the early stages of software development.

Patching and Updates

Stay informed about security updates and patches released by the vendor, Google, for the google.golang.org/protobuf library. Timely application of patches is essential to mitigate known vulnerabilities and enhance the overall security posture of the software environment.