CVE-2021-40897 : Vulnerability Insights and Analysis
Learn about CVE-2021-40897, a Regular Expression Denial of Service (ReDOS) vulnerability in split-html-to-chars v1.0.5. Find out its impact, affected systems, exploitation, and mitigation steps.
This article provides details about a Regular Expression Denial of Service (ReDOS) vulnerability in split-html-to-chars v1.0.5.
Understanding CVE-2021-40897
This section delves into the vulnerability's nature and impact.
What is CVE-2021-40897?
The vulnerability involves split-html-to-chars v1.0.5 experiencing ReDOS when processing malformed HTML.
The Impact of CVE-2021-40897
The vulnerability could allow attackers to conduct Denial of Service attacks by sending crafted invalid HTML strings.
Technical Details of CVE-2021-40897
Exploring the technical specifics of the vulnerability.
Vulnerability Description
An ReDOS flaw in split-html-to-chars v1.0.5 during processing of malformed HTML strings.
Affected Systems and Versions
- Product: N/A
- Vendor: N/A
- Version: v1.0.5
Exploitation Mechanism
The vulnerability arises when split-html-to-chars deals with specially crafted invalid HTML, leading to potential service denial.
Mitigation and Prevention
Measures to address the CVE-2021-40897 vulnerability.
Immediate Steps to Take
- Update split-html-to-chars to a patched version.
- Implement input data validation to mitigate ReDOS attacks.
Long-Term Security Practices
- Regularly scan for vulnerable dependencies.
- Stay informed about security updates and best practices.
- Train developers on secure coding practices.
Patching and Updates
- Apply the latest patches provided by the vendor.
- Monitor for any future security advisories related to split-html-to-chars.