CVE-2023-30858 : Security Advisory and Response

Denosaurs emoji package has been found to have a ReDoS vulnerability in the

replace

function, impacting versions prior to 0.3.0.

Understanding CVE-2023-30858

Denosaurs emoji package provides emojis specifically for dinosaurs. The vulnerability arises due to inefficient regular expression complexity in the reTrimSpace regex, affecting versions from 0.1.0 to 0.3.0.

What is CVE-2023-30858?

The CVE-2023-30858, assigned to the Denosaurs emoji package, refers to a ReDoS vulnerability present in the

replace

function, leading to delayed responses with a large payload.

The Impact of CVE-2023-30858

The vulnerability allows an attacker to exploit the inefficiency in regular expression complexity, potentially causing denial of service by delaying responses.

Technical Details of CVE-2023-30858

The Denosaurs emoji package vulnerability has the following technical details:

Vulnerability Description

The vulnerability stems from the reTrimSpace regex in versions prior to 0.3.0, resulting in a delayed response when handling large payloads.

Affected Systems and Versions

Vendor: denosaurs
Product: emoji
Affected Versions: < 0.3.0

Exploitation Mechanism

By leveraging the inefficient regular expression complexity, an attacker can manipulate the

replace

function to cause delays in responses.

Mitigation and Prevention

To mitigate the CVE-2023-30858 vulnerability in the Denosaurs emoji package, consider the following steps:

Immediate Steps to Take

Upgrade to version 0.3.0 or above to apply the necessary patch.
Avoid using the

replace

,

unemojify

, or

strip

functions to prevent exploitation.

Long-Term Security Practices

Regularly update the Denosaurs emoji package to the latest secure versions.
Monitor for any security advisories and patches provided by the package maintainers.

Patching and Updates

Stay informed about security updates and patches released by the Denosaurs emoji package maintainers to address vulnerabilities and ensure the security of your systems.