CVE-2017-14117 : The AT&T U-verse 9.2.2h0d83 firmware for the Arris NVG589 and NVG599 devices, wh

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.

Published 2017-09-03 19:29:00

Updated 2017-09-13 13:24:32

Source MITRE

View at NVD, CVE.org

Vulnerability category: BypassGain privilege

Products affected by CVE-2017-14117

ATT » U-verse Firmware » Version: 9.2.2h0d83
cpe:2.3:o:att:u-verse_firmware:9.2.2h0d83:*:*:*:*:*:*:*
Matching versions
When used together with: Commscope » Arris Nvg589 » Version: N/A
When used together with: Commscope » Arris Nvg599 » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2017-14117

EPSS FAQ

3.04%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 90 %

Percentile, the proportion of vulnerabilities that are scored at or less

Metasploit modules for CVE-2017-14117

Open WAN-to-LAN proxy on AT&T routers

Disclosure Date: 2017-08-31

First seen: 2020-04-26

auxiliary/scanner/wproxy/att_open_proxy

The Arris NVG589 and NVG599 routers configured with AT&T U-verse firmware 9.2.2h0d83 expose an un-authenticated proxy that allows connecting from WAN to LAN by MAC address. Authors: - Joseph HutchinsJon Hart <jon_hart[AT]rapid7.com> - Adam Cammack <adam_cammack[AT]

More information

CVSS scores for CVE-2017-14117

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.3	MEDIUM	AV:N/AC:M/Au:N/C:N/I:P/A:N	8.6	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
5.9	MEDIUM	CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N	2.2	3.6	NIST
Attack Vector: Network Attack Complexity: High Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: High Availability: None

CWE ids for CVE-2017-14117

CWE-287 Improper Authentication

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2017-14117

https://threatpost.com/bugs-in-arris-modems-distributed-by-att-vulnerable-to-trivial-attacks/127753/

Bugs in Arris Modems Distributed by AT&T Vulnerable to Trivial Attacks | Threatpost
Third Party Advisory

CVEs referencing this url
https://www.nomotion.net/blog/sharknatto/

Exploit;Mitigation;Technical Description;Third Party Advisory

CVEs referencing this url
http://www.securityfocus.com/bid/100585

AT&T U-verse Arris Modems Multiple Security Vulnerabilities
Third Party Advisory;VDB Entry

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