CVE-2020-7836 Explained : Impact and Mitigation
Learn about CVE-2020-7836, a high-severity stack-based buffer overflow vulnerability in VOICEYE WSActiveBridgeES versions prior to 2.1.0.3. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
VOICEYE WSActiveBridgeES versions prior to 2.1.0.3 contain a stack-based buffer overflow vulnerability that can be exploited by attackers. This vulnerability can lead to a stack-based buffer overflow through a crafted web page.
Understanding CVE-2020-7836
This CVE involves a high-severity vulnerability in VOICEYE WSActiveBridgeES versions prior to 2.1.0.3, potentially allowing attackers to execute arbitrary code.
What is CVE-2020-7836?
CVE-2020-7836 is a stack-based buffer overflow vulnerability in VOICEYE WSActiveBridgeES versions prior to 2.1.0.3. The issue arises due to improper bound checking parameters provided by an attacker, leading to a buffer overflow when accessing a maliciously crafted web page.
The Impact of CVE-2020-7836
- CVSS Base Score: 7.8 (High)
- Attack Vector: Local
- Attack Complexity: Low
- Privileges Required: None
- User Interaction: Required
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
Technical Details of CVE-2020-7836
This section provides more in-depth technical details about the vulnerability.
Vulnerability Description
The vulnerability is categorized as a stack-based buffer overflow (CWE-121) caused by improper bound checking parameters provided by an attacker.
Affected Systems and Versions
- Affected Product: WSActiveBridgeES
- Vendor: VOICEYE
- Affected Versions: Versions prior to 2.1.0.3
Exploitation Mechanism
The vulnerability can be exploited by attackers through a crafted web page, triggering a stack-based buffer overflow.
Mitigation and Prevention
It is crucial to take immediate steps to mitigate the risks posed by CVE-2020-7836.
Immediate Steps to Take
- Update WSActiveBridgeES to version 2.1.0.3 or later to eliminate the vulnerability.
- Implement network security measures to prevent unauthorized access.
Long-Term Security Practices
- Regularly update and patch software to address known vulnerabilities.
- Conduct security assessments and penetration testing to identify and remediate weaknesses.
- Educate users and employees about safe browsing practices and potential threats.
Patching and Updates
- Apply security patches provided by VOICEYE promptly to ensure the system is protected against known vulnerabilities.