Alpine Halo9 DecodeUTF7 stack-based overflow

Summaryinfo

A vulnerability categorized as critical has been discovered in Alpine Halo9. Affected is the function DecodeUTF7. The manipulation results in stack-based overflow. This vulnerability is identified as CVE-2024-23935. The attack can be executed remotely. There is not any exploit available. It is best to exchange the affected component with an alternative.

Detailsinfo

A vulnerability was found in Alpine Halo9 (affected version unknown). It has been classified as critical. Affected is the function DecodeUTF7. The manipulation with an unknown input leads to a stack-based overflow vulnerability. CWE is classifying the issue as CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Alpine Halo9 DecodeUTF7 Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Alpine Halo9 devices. An attacker must first obtain the ability to pair a malicious Bluetooth device with the target system in order to exploit this vulnerability. The specific flaw exists within the DecodeUTF7 function. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-23249

The advisory is available at zerodayinitiative.com. This vulnerability is traded as CVE-2024-23935 since 01/23/2024. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 10/04/2024).

The problem might be mitigated by replacing the product with as an alternative.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

• Alpine

Name

• Halo9

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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