ZDI-24-844: (Pwn2Own) Alpine Halo9 prh_l2_sar_data_ind Use-After-Free Remote Code Execution Vulnerability
This vulnerability allows network-adjacent 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 prhl2sardataind function. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of root.
Other sources
This vulnerability allows network-adjacent 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 8.8. The following CVEs are assigned: CVE-2024-23923.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-24-844?
The severity of ZDI-24-844 is considered critical due to the potential for arbitrary code execution without authentication.
How do I fix ZDI-24-844?
To fix ZDI-24-844, it is recommended to apply the latest security updates provided by Alpine for the Halo9 devices.
Who is affected by ZDI-24-844?
ZDI-24-844 affects all installations of Alpine Halo9 devices that have not been patched.
Can ZDI-24-844 be exploited remotely?
Yes, ZDI-24-844 can be exploited by network-adjacent attackers, making it a significant risk.
What happens if ZDI-24-844 is exploited?
If ZDI-24-844 is exploited, attackers can execute arbitrary code on the affected Alpine Halo9 devices.