Vulnerability Monitor

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CVE-2017-14115

The AT&T U-verse 9.2.2h0d83 firmware for the Arris NVG589 and NVG599 devices, when IP Passthrough mode is not used, configures ssh-permanent-enable WAN SSH logins to the remotessh account with the 5SaP9I26 password, which allows remote attackers to access a "Terminal shell v1.0" service, and subsequently obtain unrestricted root privileges, by establishing an SSH session and then entering certain shell metacharacters and BusyBox commands.

Published

2017-09-03T19:29:00.267

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 8.1 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

8.6

Impact Score

10.0

Weaknesses

Type: Primary
CWE-798

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	att	u-verse_firmware	9.2.2h0d83	Yes
Hardware	commscope	arris_nvg589	-	No
Hardware	commscope	arris_nvg599	-	No

References

http://www.securityfocus.com/bid/100585 Third Party Advisory, VDB Entry ([email protected])
https://threatpost.com/bugs-in-arris-modems-distributed-by-att-vulnerable-to-trivial-attacks/127753/ Third Party Advisory ([email protected])
https://www.nomotion.net/blog/sharknatto/ Exploit, Mitigation, Technical Description, Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/100585 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://threatpost.com/bugs-in-arris-modems-distributed-by-att-vulnerable-to-trivial-attacks/127753/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.nomotion.net/blog/sharknatto/ Exploit, Mitigation, Technical Description, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)