CVE-2019-11830 : What You Need to Know
Learn about CVE-2019-11830 affecting PharStreamWrapper versions 2.x before 2.1.1 and 3.x before 3.1.1. Understand the impact, exploitation mechanism, and mitigation steps.
PharStreamWrapper package versions 2.x before 2.1.1 and 3.x before 3.1.1 have a vulnerability in the PharMetaDataInterceptor component, allowing attackers to bypass deserialization protection mechanisms.
Understanding CVE-2019-11830
This CVE relates to a specific vulnerability in the PharStreamWrapper package.
What is CVE-2019-11830?
The vulnerability in PharStreamWrapper allows attackers to bypass protection mechanisms by exploiting Phar stub parsing.
The Impact of CVE-2019-11830
The vulnerability enables attackers to circumvent deserialization protection mechanisms, potentially leading to unauthorized access or other malicious activities.
Technical Details of CVE-2019-11830
Details about the vulnerability and its implications.
Vulnerability Description
PharMetaDataInterceptor in PharStreamWrapper mishandles Phar stub parsing, providing a loophole for attackers to bypass deserialization protection.
Affected Systems and Versions
- Versions 2.x before 2.1.1 and 3.x before 3.1.1 of the PharStreamWrapper package
Exploitation Mechanism
Attackers exploit the mishandling of Phar stub parsing to bypass protection mechanisms, potentially gaining unauthorized access.
Mitigation and Prevention
Ways to address and prevent the CVE-2019-11830 vulnerability.
Immediate Steps to Take
- Update PharStreamWrapper to versions 2.1.1 or 3.1.1 to mitigate the vulnerability
- Monitor for any unauthorized access or suspicious activities
Long-Term Security Practices
- Regularly update software and packages to patch known vulnerabilities
- Implement strong access controls and monitoring mechanisms
Patching and Updates
- Apply patches and updates provided by TYPO3 for PharStreamWrapper to address the vulnerability