CVE-2020-6855 : What You Need to Know
Learn about CVE-2020-6855, a vulnerability in SOS JobScheduler 1.11 and 1.13.2 allowing attackers to exhaust system resources, leading to a denial of service. Find mitigation steps and prevention measures.
A large or infinite loop vulnerability in the JOC Cockpit component of SOS JobScheduler 1.11 and 1.13.2 allows attackers to parameterize housekeeping jobs in a way that exhausts system resources and results in a denial of service.
Understanding CVE-2020-6855
This CVE involves a vulnerability in the JOC Cockpit component of SOS JobScheduler that can be exploited to cause a denial of service attack.
What is CVE-2020-6855?
CVE-2020-6855 is a large or infinite loop vulnerability in the JOC Cockpit component of SOS JobScheduler versions 1.11 and 1.13.2. Attackers can manipulate housekeeping jobs to consume excessive system resources, leading to a denial of service.
The Impact of CVE-2020-6855
The vulnerability allows malicious actors to exhaust system resources by parameterizing housekeeping jobs, resulting in a denial of service condition that can disrupt operations and availability.
Technical Details of CVE-2020-6855
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability in the JOC Cockpit component of SOS JobScheduler versions 1.11 and 1.13.2 enables attackers to create a situation where system resources are consumed excessively due to parameterized housekeeping jobs, leading to a denial of service.
Affected Systems and Versions
- SOS JobScheduler 1.11
- SOS JobScheduler 1.13.2
Exploitation Mechanism
Attackers can exploit this vulnerability by manipulating the parameters of housekeeping jobs within the JOC Cockpit component, causing the system to enter a large or infinite loop that exhausts resources.
Mitigation and Prevention
To address CVE-2020-6855 and enhance system security, follow these mitigation strategies:
Immediate Steps to Take
- Implement access controls to limit unauthorized access to the JOC Cockpit component.
- Monitor system resources for unusual consumption patterns that may indicate an attack.
Long-Term Security Practices
- Regularly update SOS JobScheduler to the latest version to patch known vulnerabilities.
- Conduct security assessments and penetration testing to identify and address potential weaknesses.
Patching and Updates
- Apply patches and updates provided by SOS JobScheduler promptly to mitigate the vulnerability and enhance system security.