CVE-2017-12627 : Vulnerability Insights and Analysis
Learn about CVE-2017-12627 affecting Apache Xerces-C XML Parser library. Find out the impact, affected systems, exploitation details, and mitigation steps to secure your systems.
Apache Xerces-C XML Parser library prior to version 3.2.1 can encounter a null pointer dereference under specific circumstances.
Understanding CVE-2017-12627
What is CVE-2017-12627?
In Apache Xerces-C XML Parser library before version 3.2.1, processing external DTD paths can lead to a null pointer dereference in certain conditions.
The Impact of CVE-2017-12627
This vulnerability is classified as a Denial of Service (DoS) issue, potentially allowing attackers to crash the application or service.
Technical Details of CVE-2017-12627
Vulnerability Description
The vulnerability in Apache Xerces-C XML Parser library can result in a null pointer dereference when handling external DTD paths.
Affected Systems and Versions
- Product: Apache Xerces C++
- Vendor: Apache Software Foundation
- Versions Affected: < 3.2.1
Exploitation Mechanism
The vulnerability can be exploited by manipulating external DTD paths, triggering a null pointer dereference.
Mitigation and Prevention
Immediate Steps to Take
- Update Apache Xerces-C to version 3.2.1 or later to mitigate the vulnerability.
- Monitor security advisories for any patches or workarounds.
Long-Term Security Practices
- Regularly update software and libraries to the latest versions.
- Implement proper input validation and sanitization to prevent similar vulnerabilities.
Patching and Updates
- Apply security patches provided by Apache Software Foundation promptly to address CVE-2017-12627.