CVE-2020-11799 : Exploit Details and Defense Strategies

Z-Cron 5.6 Build 04 allows an unprivileged attacker to elevate privileges by modifying a privileged user's task. This can also affect all users who are signed in on the system if a shell is placed in a location that other unprivileged users have access to.

Understanding CVE-2020-11799

Z-Cron 5.6 Build 04 vulnerability allows privilege escalation through task modification.

What is CVE-2020-11799?

CVE-2020-11799 is a vulnerability in Z-Cron 5.6 Build 04 that enables unprivileged attackers to elevate their privileges by altering tasks assigned to privileged users.

The Impact of CVE-2020-11799

This vulnerability poses a significant security risk as it allows unauthorized users to gain elevated privileges, potentially compromising the entire system's security.

Technical Details of CVE-2020-11799

Z-Cron 5.6 Build 04 vulnerability details.

Vulnerability Description

Unprivileged attackers can escalate privileges by modifying tasks of privileged users.

Affected Systems and Versions

Product: Z-Cron 5.6 Build 04
Vendor: N/A
Version: N/A

Exploitation Mechanism

Attackers can exploit this vulnerability by placing a shell in a location accessible to unprivileged users.

Mitigation and Prevention

Protecting against CVE-2020-11799.

Immediate Steps to Take

Disable unnecessary privileges for users.
Regularly monitor and review task assignments.
Restrict access to critical system locations.

Long-Term Security Practices

Implement the principle of least privilege.
Conduct regular security training for users on privilege escalation risks.

Patching and Updates

Apply patches or updates provided by the vendor to address this vulnerability.