Vulnerability Description
A vulnerability in MikroTik Version 6.38.5 could allow an unauthenticated remote attacker to exhaust all available CPU via a flood of UDP packets on port 500 (used for L2TP over IPsec), preventing the affected router from accepting new connections; all devices will be disconnected from the router and all logs removed automatically.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mikrotik | Routeros | 6.38.5 |
Related Weaknesses (CWE)
References
- http://seclists.org/fulldisclosure/2017/May/59ExploitThird Party Advisory
- https://cxsecurity.com/issue/WLB-2017050062ExploitThird Party Advisory
- https://packetstormsecurity.com/files/142538/MikroTik-RouterBoard-6.38.5-Denial-ExploitThird Party Advisory
- https://www.vulnerability-lab.com/get_content.php?id=2064ExploitThird Party Advisory
- http://seclists.org/fulldisclosure/2017/May/59ExploitThird Party Advisory
- https://cxsecurity.com/issue/WLB-2017050062ExploitThird Party Advisory
- https://packetstormsecurity.com/files/142538/MikroTik-RouterBoard-6.38.5-Denial-ExploitThird Party Advisory
- https://www.vulnerability-lab.com/get_content.php?id=2064ExploitThird Party Advisory
FAQ
What is CVE-2017-8338?
CVE-2017-8338 is a vulnerability with a CVSS score of 7.5 (HIGH). A vulnerability in MikroTik Version 6.38.5 could allow an unauthenticated remote attacker to exhaust all available CPU via a flood of UDP packets on port 500 (used for L2TP over IPsec), preventing the...
How severe is CVE-2017-8338?
CVE-2017-8338 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-8338?
Check the references section above for vendor advisories and patch information. Affected products include: Mikrotik Routeros.