ZDI-24-845: (Pwn2Own) Alpine Halo9 Improper Verification of Cryptographic Signature Vulnerability
First published: Fri Jun 21 2024(Updated: )
This vulnerability allows physically present attackers to bypass signature validation mechanism on affected installations of Alpine Halo9 devices. Authentication is not required to exploit this vulnerability. The specific flaw exists within the firmware metadata signature validation mechanism. The issue results from the lack of proper verification of a cryptographic signature. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Alpine Halo9 |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-24-845?
ZDI-24-845 has been classified as a high severity vulnerability due to its potential impact on the integrity of the firmware.
How do I fix ZDI-24-845?
To fix ZDI-24-845, it is recommended to update the firmware of the Alpine Halo9 devices to the latest patched version provided by the vendor.
Who is affected by ZDI-24-845?
ZDI-24-845 affects users of Alpine Halo9 devices that are running unpatched versions of the firmware.
What does ZDI-24-845 exploit?
ZDI-24-845 exploits a flaw in the firmware metadata signature validation, allowing attackers to bypass security mechanisms.
Is authentication required to exploit ZDI-24-845?
No, authentication is not required to exploit ZDI-24-845, making it particularly concerning for physical attacks.
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