Stack-based buffer overflow in Alpine Halo9
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.
Summary
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
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Alpine | Halo9 | 6.0.000 | — | No fix listed | CNA |
- Halo9 VendorAlpine Affected 6.0.000 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-23935
- 2026-10-03 Alias added: GHSA-jh62-xx57-p239
References
Advisory 1
More Alpine Ilx-f509 Firmware vulnerabilities
- TI-2024-15911 Use after free in Alpine Halo9 CVSS 3.1HIGH 8.8
- TI-2024-15941 Alpine Halo9 Stack-based Buffer Overflow CVSS 3.1HIGH 8.0
- TI-2024-15939 OS command injection in Alpine Halo9 CVSS 3.1MEDIUM 6.8
- TI-2024-15912 OS command injection in Alpine Halo9 CVSS 3.1MEDIUM 6.8
- TI-2024-15940 Alpine Halo9 Missing Authentication CVSS 3.1MEDIUM 5.3
- TI-2024-15938 Improper signature verification in Alpine Halo9 CVSS 3.1MEDIUM 4.6
Sources
- CVE-2024-23935 · CVE Program
- CVE-2024-23935 · NVD
- FIRST EPSS
- GHSA-jh62-xx57-p239 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences