A vulnerability classified as critical was found in MicroWord eScan Antivirus 7.0.32 on Linux. Affected by this vulnerability is an unknown functionality of the component USB Password Handler. The manipulation leads to OS command injection. The attack needs to be approached locally. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
The CVSS score for this vulnerability is 2, indicating a low severity level. Organizations must still take this into account, as the potential for exploitation, while difficult, exists. The risk to organizations includes unauthorized access to system functionalities.
Given the nature of the vulnerability and its classification, organizations should prioritize patching immediately to mitigate any associated risks.
The exploit has been publicly disclosed, and while it may not be widely exploited currently, the potential for future attacks remains a concern. Organizations should remain vigilant and review their security measures.
Mitigation strategies should be implemented, including ongoing monitoring and ensuring that systems are patched with the latest updates.
Vulnerability Details
The vulnerability in question affects MicroWord eScan Antivirus 7.0.32 and is classified under the Common Weakness Enumeration (CWE) IDs CWE-77 and CWE-78, which pertain to command injection vulnerabilities.
The CVSS v4.0 score indicates a local attack vector with high complexity and low privileges required, meaning that an attacker would need local access to exploit this vulnerability.
Technical Analysis
The root cause of this vulnerability is the improper handling of user input within the USB Password Handler component. This flaw can allow attackers to inject malicious OS commands, leading to potential system compromise.
The attack complexity is considered high, meaning that it requires a skilled attacker to exploit this vulnerability effectively. Privileges required to execute the attack are low, but user interaction is not necessary.
In terms of impact, confidentiality, integrity, and availability all have low impacts, indicating that the severity of potential damage is minimal if the vulnerability were to be exploited.
Risk & Impact Analysis
Risk to organizations includes unauthorized command execution on affected systems, which could lead to further exploitation or data breaches. The blast radius potential is limited due to the local attack requirement, but organizations should remain aware of any changes in the threat landscape.
The CVSS score indicates a low urgency for immediate remediation, allowing organizations to schedule the necessary updates in their regular patch cycle. However, given the critical nature of the vulnerability, it remains essential to monitor for any related exploits.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The vulnerability affects all versions of MicroWord eScan Antivirus prior to version 7.0.32.
Mitigation & Remediation
Organizations should prioritize applying patches to MicroWord eScan Antivirus and ensure that systems are updated to the latest version to mitigate this vulnerability. If patches are unavailable, consider implementing configuration hardening and network controls to limit access to affected components.
For effective remediation, organizations can utilize penetration testing services to identify and address potential security weaknesses.
Detection Guidance
Organizations should monitor system logs for any unusual command executions originating from the USB Password Handler component. Additionally, behavioral anomalies related to user access or system integrity should be investigated.
AppSecure Threat Intelligence Insight
The long-term significance of this vulnerability lies in its potential to create pathways for command injection attacks, which may trend upward as attackers become more adept at exploiting local vulnerabilities.
Organizations should consider reviewing their security posture and adapting their defenses accordingly, particularly in environments utilizing eScan Antivirus. Patterns of exploitation and lessons learned from this incident can inform better security practices.
For further insights and strategies, organizations may refer to resources such as the penetration testing methodology and explore ways to enhance their incident response capabilities.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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