CVE-2021-26624 : Exploit Details and Defense Strategies
Learn about CVE-2021-26624, a local privilege escalation vulnerability in eScan Anti-Virus for Linux that allows attackers to exploit root privileges. Find mitigation steps and update recommendations.
A local privilege escalation vulnerability in eScan Anti-Virus for Linux due to a "runasroot" command allows attackers to exploit root privileges by manipulating parameter values.
Understanding CVE-2021-26624
This CVE details a critical vulnerability in eScan Anti-Virus for Linux that can lead to remote attackers gaining root privileges on the system.
What is CVE-2021-26624?
CVE-2021-26624 is a local privilege escalation vulnerability in eScan Anti-Virus for Linux caused by an insecure "runasroot" command.
The Impact of CVE-2021-26624
The vulnerability can have a high impact on confidentiality, integrity, and availability, allowing attackers to escalate their privileges and potentially take complete control over the system.
Technical Details of CVE-2021-26624
This section provides more insight into the vulnerability affecting eScan Anti-Virus for Linux.
Vulnerability Description
The vulnerability arises from invalid arguments and insufficient execution conditions related to the "runasroot" command, enabling attackers to exploit root privileges.
Affected Systems and Versions
The vulnerability affects eScan Anti-Virus for Linux with versions less than or equal to 7.0.31.
Exploitation Mechanism
Attackers can exploit this vulnerability by manipulating parameter values within the "runasroot" command to gain unauthorized root access.
Mitigation and Prevention
To secure systems from CVE-2021-26624, immediate actions and long-term security practices are crucial.
Immediate Steps to Take
Users should apply patches provided by MicroWorld Technologies Inc. promptly and monitor for any unauthorized access attempts.
Long-Term Security Practices
Regularly updating the eScan Anti-Virus software, implementing least privilege principles, and monitoring system logs for suspicious activities are recommended.
Patching and Updates
MicroWorld Technologies Inc. releases patches to address this vulnerability. Users must ensure they regularly update their software to protect against potential exploits.