CVE-2023-32758 : Security Advisory and Response
Find out about CVE-2023-32758 impacting giturlparse through 1.2.2 and Semgrep 1.5.2 through 1.24.1. Learn the impact, technical details, and mitigation steps here.
A vulnerability has been identified in giturlparse (git-url-parse) through version 1.2.2, impacting Semgrep versions 1.5.2 through 1.24.1. This vulnerability could lead to ReDoS (Regular Expression Denial of Service) when parsing untrusted URLs.
Understanding CVE-2023-32758
This section delves into the specifics of CVE-2023-32758.
What is CVE-2023-32758?
The CVE-2023-32758 vulnerability affects giturlparse (git-url-parse) through version 1.2.2 and Semgrep versions 1.5.2 through 1.24.1. It poses a risk of ReDoS when processing untrusted URLs, potentially enabling attackers to launch denial of service attacks through crafted URLs.
The Impact of CVE-2023-32758
The impact of this vulnerability can be severe, allowing threat actors to exploit the ReDoS issue to disrupt services or applications that utilize untrusted URLs in giturlparse and Semgrep software.
Technical Details of CVE-2023-32758
Explore the technical aspects of CVE-2023-32758 below.
Vulnerability Description
The vulnerability arises from a lack of adequate input validation when processing URLs, enabling malicious actors to trigger a ReDoS scenario by manipulating the URL structure.
Affected Systems and Versions
The vulnerability affects giturlparse (git-url-parse) up to version 1.2.2 and Semgrep versions 1.5.2 through 1.24.1. Users of these software versions are at risk of exploitation.
Exploitation Mechanism
Exploiting CVE-2023-32758 involves crafting URLs with malicious payloads that can trigger the ReDoS condition, potentially leading to denial of service.
Mitigation and Prevention
Discover how to mitigate and prevent the CVE-2023-32758 vulnerability in the following section.
Immediate Steps to Take
Immediate actions include updating giturlparse and Semgrep to patched versions, exercising caution with untrusted URLs, and implementing strict input validation measures.
Long-Term Security Practices
In the long term, organizations should adopt secure coding practices, conduct regular security assessments, and stay informed about updates and patches for third-party dependencies.
Patching and Updates
Regularly monitor for security updates from giturlparse and Semgrep developers and promptly apply patches to address known vulnerabilities.