CVE-2019-2745 : What You Need to Know
Learn about CVE-2019-2745, a security vulnerability in Oracle Java SE versions 7u221, 8u212, and 11.0.3. Understand the impact, exploitation mechanism, and mitigation steps.
A vulnerability has been identified in the Security subcomponent of Oracle Java SE, affecting versions 7u221, 8u212, and 11.0.3. This vulnerability poses a risk of unauthorized access to critical data within Java SE.
Understanding CVE-2019-2745
This CVE pertains to a security flaw in Oracle Java SE that can potentially grant unauthorized access to critical data.
What is CVE-2019-2745?
The vulnerability in the Security subcomponent of Oracle Java SE impacts versions 7u221, 8u212, and 11.0.3. It can be exploited by an unauthenticated attacker with logon access to the Java SE infrastructure.
The Impact of CVE-2019-2745
- Successful exploitation can lead to unauthorized access to critical data or complete access to all Java SE accessible data.
- The confidentiality impact is rated with a CVSS 3.0 Base Score of 5.1.
Technical Details of CVE-2019-2745
This section provides technical insights into the vulnerability.
Vulnerability Description
The vulnerability allows an unauthenticated attacker with logon access to compromise Java SE, potentially resulting in unauthorized data access.
Affected Systems and Versions
- Product: Java
- Vendor: Oracle Corporation
- Affected Versions: Java SE 7u221, 8u212, 11.0.3
Exploitation Mechanism
- The vulnerability can only be exploited by an unauthenticated attacker with logon access to the Java SE infrastructure.
- Exploitation involves loading and running untrusted code, typically from the internet, in sandboxed Java Web Start applications or applets.
- APIs in the specified component, like web services supplying data, can be used for exploitation.
Mitigation and Prevention
Protecting systems from CVE-2019-2745 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply security patches provided by Oracle promptly.
- Monitor and restrict access to Java SE infrastructure.
- Educate users on safe browsing practices to mitigate risks.
Long-Term Security Practices
- Regularly update Java SE to the latest secure versions.
- Implement network segmentation to limit the impact of potential breaches.
- Conduct regular security audits and penetration testing.
Patching and Updates
- Stay informed about security advisories from Oracle and other relevant sources.
- Implement a robust patch management process to apply updates promptly.