Denial of service in Apache Traffic Control



| Updated: 2019-09-08
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2017-7670
CWE-ID CWE-399
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Apache Traffic Control
Server applications / IDS/IPS systems, Firewalls and proxy servers

Vendor Apache Foundation

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Resource management error

EUVDB-ID: #VU20927

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2017-7670

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to incorrect processing of established TCP connections to a configured DNS port. A remote attacker can create an unlimited number of TCP connections to DNS port without closing them and perform a Slowloris style Denial of Service attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Apache Traffic Control: 1.1.2 - 2.2.0

CPE2.3 External links

https://lists.apache.org/thread.html/42b207e9f526353b504591684bd02a5e9fcb4b8f28534253d07740a0@%3Cusers.trafficcontrol.apache.org%3E
https://lists.apache.org/thread.html/bb09fc29e9c2ee85b118a3d5748a8a523d30cf691ff8b606c6a1748c@%3Ccommits.trafficcontrol.apache.org%3E


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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