CVE-2017-14117 Missing authorization in n/a
Remote attackers can bypass authentication to access internal network hosts via an unauthenticated proxy service on specific AT&T U-verse gateways.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2017-14117?
CVE-2017-14117 is a medium-severity missing authorization vulnerability in n/a, published on 3 Sep 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The AT&T U-verse 9.2.2h0d83 firmware for the Arris NVG589 and NVG599 devices, when IP Passthrough mode is not used, configures an unauthenticated proxy service on WAN TCP port 49152, which allows remote attackers to establish arbitrary TCP connections to intranet hosts by sending \x2a\xce\x01 followed by other predictable values.
Weakness: CWE-287
Which versions are affected by CVE-2017-14117?
It affects 1 product.
Products include Att U-Verse Firmware.
How do I fix CVE-2017-14117?
No fix has been published for CVE-2017-14117 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2017-14117 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2017-14117 exists.
Public exploit code: 1 Metasploit module.
Other vulnerabilities in n/a
Sources
Also known as GHSA-w755-mf25-fpmg.