ZDI-24-846: (Pwn2Own) Alpine Halo9 UPDM_wemCmdCreatSHA256Hash Command Injection Remote Code Execution Vulnerability

Published Jun 21, 2024
·
Updated

This vulnerability allows physically present attackers to execute arbitrary code on affected installations of Alpine Halo9 devices. Authentication is not required to exploit this vulnerability. The specific flaw exists within the UPDMwemCmdCreatSHA256Hash function. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root.

Other sources

This vulnerability allows physically present attackers to execute arbitrary code on affected installations of Alpine Halo9 devices. Authentication is not required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 6.8. The following CVEs are assigned: CVE-2024-23924.

ZDI

Affected Software

1 affected component
Alpine Halo9

Event History

Jun 21, 2024
Advisory Published
via ZDI·05:00 AM
Data Sourced
via ZDI·05:00 AM
Description
Sep 28, 2024
Advisory Published
via ZDI·06:31 AM
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Frequently Asked Questions

1

What is the severity of ZDI-24-846?

The severity of ZDI-24-846 is considered high due to the potential for arbitrary code execution without authentication.

2

How do I fix ZDI-24-846?

To fix ZDI-24-846, update your Alpine Halo9 devices to the latest firmware version provided by Alpine.

3

Who is affected by ZDI-24-846?

ZDI-24-846 affects all installations of Alpine Halo9 devices that have not applied the necessary security updates.

4

Can ZDI-24-846 be exploited remotely?

No, ZDI-24-846 requires physical access to the affected Alpine Halo9 devices for exploitation.

5

What specific function is involved in the ZDI-24-846 vulnerability?

The specific function involved in the ZDI-24-846 vulnerability is the UPDM_wemCmdCreatSHA256Hash function.

Contact

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