Vulnerability Description
The Traffic Router component of the incubating Apache Traffic Control project is vulnerable to a Slowloris style Denial of Service attack. TCP connections made on the configured DNS port will remain in the ESTABLISHED state until the client explicitly closes the connection or Traffic Router is restarted. If connections remain in the ESTABLISHED state indefinitely and accumulate in number to match the size of the thread pool dedicated to processing DNS requests, the thread pool becomes exhausted. Once the thread pool is exhausted, Traffic Router is unable to service any DNS request, regardless of transport protocol.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apache | Traffic Control | <= 1.8.0 |
Related Weaknesses (CWE)
References
- https://lists.apache.org/thread.html/42b207e9f526353b504591684bd02a5e9fcb4b8f285
- https://lists.apache.org/thread.html/bb09fc29e9c2ee85b118a3d5748a8a523d30cf691ff
- https://lists.apache.org/thread.html/r3c675031ac220b5eae64a9c84a03ee60045c604573
- https://lists.apache.org/thread.html/42b207e9f526353b504591684bd02a5e9fcb4b8f285
- https://lists.apache.org/thread.html/bb09fc29e9c2ee85b118a3d5748a8a523d30cf691ff
- https://lists.apache.org/thread.html/r3c675031ac220b5eae64a9c84a03ee60045c604573
FAQ
What is CVE-2017-7670?
CVE-2017-7670 is a vulnerability with a CVSS score of 7.5 (HIGH). The Traffic Router component of the incubating Apache Traffic Control project is vulnerable to a Slowloris style Denial of Service attack. TCP connections made on the configured DNS port will remain i...
How severe is CVE-2017-7670?
CVE-2017-7670 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-2017-7670?
Check the references section above for vendor advisories and patch information. Affected products include: Apache Traffic Control.