CVE-2020-8949 : Exploit Details and Defense Strategies
Learn about CVE-2020-8949 affecting Gocloud S2A_WL 4.2.7.16471, S2A 4.2.7.17278, S2A 4.3.0.15815, S2A 4.3.0.17193, S3A K2P MTK 4.2.7.16528, S3A 4.3.0.16572, and ISP3000 4.3.0.17190 devices, allowing remote code execution.
Gocloud S2A_WL 4.2.7.16471, S2A 4.2.7.17278, S2A 4.3.0.15815, S2A 4.3.0.17193, S3A K2P MTK 4.2.7.16528, S3A 4.3.0.16572, and ISP3000 4.3.0.17190 devices are vulnerable to remote code execution through shell metacharacters in a ping operation.
Understanding CVE-2020-8949
This CVE identifies a critical vulnerability in Gocloud devices that allows attackers to execute arbitrary OS commands remotely.
What is CVE-2020-8949?
The vulnerability in Gocloud devices enables malicious actors to run unauthorized commands using shell metacharacters during a ping operation.
The Impact of CVE-2020-8949
Exploitation of this vulnerability can lead to unauthorized access, data theft, system compromise, and potential disruption of services on affected devices.
Technical Details of CVE-2020-8949
Gocloud S2A_WL 4.2.7.16471, S2A 4.2.7.17278, S2A 4.3.0.15815, S2A 4.3.0.17193, S3A K2P MTK 4.2.7.16528, S3A 4.3.0.16572, and ISP3000 4.3.0.17190 devices are susceptible to this vulnerability.
Vulnerability Description
The flaw allows remote attackers to execute arbitrary OS commands through shell metacharacters in a ping operation on the affected Gocloud devices.
Affected Systems and Versions
- Gocloud S2A_WL 4.2.7.16471
- S2A 4.2.7.17278
- S2A 4.3.0.15815
- S2A 4.3.0.17193
- S3A K2P MTK 4.2.7.16528
- S3A 4.3.0.16572
- ISP3000 4.3.0.17190
Exploitation Mechanism
Attackers can exploit this vulnerability by injecting shell metacharacters in a ping operation, specifically in the cgi-bin/webui/admin/tools/app_ping/diag_ping/; substring.
Mitigation and Prevention
It is crucial to take immediate action to secure the affected devices and prevent potential exploitation.
Immediate Steps to Take
- Apply security patches provided by the vendor promptly.
- Implement network segmentation to limit the impact of potential attacks.
- Monitor network traffic for any suspicious activity.
Long-Term Security Practices
- Regularly update and patch all software and firmware on the devices.
- Conduct security assessments and penetration testing to identify and address vulnerabilities proactively.
Patching and Updates
- Stay informed about security advisories from the vendor and apply patches as soon as they are released.