Advisory Details

July 28th, 2023

Adtran SR400ac ping Command Injection Remote Code Execution Vulnerability

ZDI-23-1010
ZDI-CAN-20525

CVE ID CVE-2023-38120
CVSS SCORE 8.8, AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS Adtran
AFFECTED PRODUCTS SR400ac
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Adtran SR400ac routers. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed.

The specific flaw exists within the ping command, which is available over JSON-RPC. A crafted host parameter can trigger execution of a system call composed from a user-supplied string. An attacker can leverage this vulnerability to execute code in the context of root.
ADDITIONAL DETAILS

Fixed at SmartOS 12.1.3.1
https://supportcommunity.adtran.com/t5/Security-Advisories/ADTSA-2023001-Residential-Gateway-amp-Service-Delivery-Gateway/ta-p/38495
DISCLOSURE TIMELINE
  • 2023-05-05 - Vulnerability reported to vendor
  • 2023-07-28 - Coordinated public release of advisory
CREDIT ther3d0ne - https://thered0ne.com
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