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CVE-2024-39345 Detail

Current Description

AdTran 834-5 HDC17600021F1 (SmartOS 11.1.1.1) devices enable the SSH service by default and have a hidden, undocumented, hard-coded support account whose password is based on the devices MAC address. All of the devices internet interfaces share a similar MAC address that only varies in their final octet. This allows network-adjacent attackers to derive the support user's SSH password by decrementing the final octet of the connected gateway address or via the BSSID. An attacker can then execute arbitrary OS commands with root-level privileges. NOTE: The vendor states that there is no intended functionality allowing an attacker to execute arbitrary OS Commands with root-level privileges. The vendor also states that this issue was fixed in SmartOS 12.5.5.1.


View Analysis Description

Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 3.x Severity and Vector Strings:

NIST CVSS score
NIST: NVD
Base Score:  7.2 HIGH
Vector:  CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

ADP:  CISA-ADP
Base Score:  7.5 HIGH
Vector:  CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://github.com/actuator/cve/blob/main/AdTran/CVE-2024-39345 Third Party Advisory 
https://github.com/actuator/cve/blob/main/AdTran/CVE-2024-39345 Third Party Advisory 
https://github.com/actuator/cve/blob/main/AdTran/TBA Product 
https://github.com/actuator/cve/blob/main/AdTran/TBA Product 
https://supportcommunity.adtran.com/t5/Security-Advisories/ADTSA-2024001-Multiple-vulnerabilities-in-Service-Delivery-Gateway-products/ta-p/39332

Weakness Enumeration

CWE-ID CWE Name Source
CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') cwe source acceptance level NIST  
CWE-259 Use of Hard-coded Password CISA-ADP  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:adtran:sdg_smartos:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
Up to (excluding)
12.1.3.1
Running on/with
 cpe:2.3:h:adtran:834-5:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

5 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2024-39345
NVD Published Date:
07/24/2024
NVD Last Modified:
11/21/2024
Source:
MITRE