CVE-2017-7670
moderate-risk
Published 2017-07-10
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.
Do I need to act?
~
1.7% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10
High
NETWORK
/ LOW complexity
Affected Products (8)
Traffic Control
Traffic Control
Traffic Control
Traffic Control
Traffic Control
Traffic Control
Traffic Control
Traffic Control
Affected Vendors
References (6)
45
/ 100
moderate-risk
Severity
26/34 · High
Exploitability
5/34 · Minimal
Exposure
14/34 · Moderate