CVE-2019-14892 : Vulnerability Insights and Analysis
Learn about CVE-2019-14892, a high-severity vulnerability in jackson-databind versions before 2.9.10, 2.8.11.5, and 2.6.7.3. Understand the impact, affected systems, exploitation, and mitigation steps.
A vulnerability in jackson-databind versions prior to 2.9.10, 2.8.11.5, and 2.6.7.3 allows for the deserialization of a harmful object using JNDI classes from commons-configuration, potentially leading to code execution.
Understanding CVE-2019-14892
This CVE involves a security issue in the jackson-databind library that could be exploited by an attacker to execute arbitrary code.
What is CVE-2019-14892?
CVE-2019-14892 is a vulnerability in jackson-databind that enables the deserialization of a malicious object through commons-configuration JNDI classes, allowing an attacker to run unauthorized code.
The Impact of CVE-2019-14892
The vulnerability has a CVSS base score of 7.5, indicating a high severity level. It poses a significant risk to confidentiality as an attacker could potentially access sensitive information.
Technical Details of CVE-2019-14892
This section provides more in-depth technical insights into the vulnerability.
Vulnerability Description
The flaw in jackson-databind versions before 2.9.10, 2.8.11.5, and 2.6.7.3 permits the polymorphic deserialization of a malicious object using commons-configuration JNDI classes.
Affected Systems and Versions
- Product: jackson-databind
- Vendor: Red Hat
- Affected Versions: Versions before 2.9.10, 2.8.11.5, and 2.6.7.3
Exploitation Mechanism
By leveraging the vulnerability, an attacker can execute any code of their choice, potentially leading to unauthorized access and data breaches.
Mitigation and Prevention
Protecting systems from CVE-2019-14892 requires immediate actions and long-term security measures.
Immediate Steps to Take
- Update jackson-databind to version 2.9.10 or newer to mitigate the vulnerability.
- Monitor for any suspicious activities on the network that could indicate exploitation.
Long-Term Security Practices
- Implement strict input validation to prevent malicious object deserialization attacks.
- Regularly update and patch software components to address known vulnerabilities.
Patching and Updates
- Apply patches provided by Red Hat, such as RHSA-2020:0729, to address the CVE-2019-14892 vulnerability.