CVE-2023-40129

Published Oct 27, 2023

Last updated 2 years ago

Overview

AI description

Automated description summarized from trusted sources.

CVE-2023-40129 is a vulnerability within the `build_read_multi_rsp` function in `gatt_sr.cc`. It involves a potential out-of-bounds write, stemming from a heap buffer overflow. This vulnerability could allow for remote code execution within a close proximity, without needing extra permissions or user interaction.

Description
In build_read_multi_rsp of gatt_sr.cc, there is a possible out of bounds write due to a heap buffer overflow. This could lead to remote (proximal/adjacent) code execution with no additional execution privileges needed. User interaction is not needed for exploitation.
Source
security@android.com
NVD status
Analyzed

Risk scores

CVSS 3.1

Type
Primary
Base score
8.8
Impact score
5.9
Exploitability score
2.8
Vector string
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity
HIGH

Weaknesses

nvd@nist.gov
CWE-787

Social media

Hype score
Not currently trending
  1. Analysis and exploitation of an integer underflow in the Bluetooth GATT protocol (CVE-2023-40129) https://t.co/NfIMAlnxN6 Credits Mehdi Talbi and Etienne Helluy-Lafont (@Synacktiv) #infosec #Android https://t.co/XyYPQjCJbb

    @0xor0ne

    3 Dec 2025

    4024 Impressions

    10 Retweets

    82 Likes

    48 Bookmarks

    0 Replies

    0 Quotes

  2. Top 5 Trending CVEs: 1 - CVE-2025-25469 2 - CVE-2023-20198 3 - CVE-2023-40129 4 - CVE-2022-1388 5 - CVE-2022-26923 #cve #cvetrends #cveshield #cybersecurity https://t.co/4Fua3CAN6W

    @CVEShield

    2 Nov 2025

    113 Impressions

    0 Retweets

    1 Like

    0 Bookmarks

    0 Replies

    0 Quotes

  3. #exploit #WLAN_Security Paint it blue: Attacking the bluetooth stack https://t.co/w6wQRaXDSp // CVE-2023-40129 - critical vulnerability in the Bluetooth stack, which requires neither user interaction nor prior authentication. We managed to successfully exploit it to achieve 

    @ksg93rd

    31 Oct 2025

    204 Impressions

    1 Retweet

    2 Likes

    1 Bookmark

    0 Replies

    0 Quotes

  4. 🛡️ Bluetooth Heap Overflow Enables Android RCE TL;DR • Researchers detail zero-interaction exploit for CVE-2023-40129 in Android's Fluoride stack. • Allows remote code execution over Bluetooth, accessing sensitive data like mic and contacts. • Highlights risks in

    @mobilengineer

    27 Oct 2025

    46 Impressions

    0 Retweets

    0 Likes

    0 Bookmarks

    0 Replies

    0 Quotes

  5. Following their presentation at @hexacon_fr, Mehdi & Etienne detail how they exploited CVE-2023-40129, a critical vulnerability affecting the Bluetooth stack in Android ⬇️ https://t.co/OS63LQ4tJE

    @Synacktiv

    27 Oct 2025

    8504 Impressions

    47 Retweets

    118 Likes

    61 Bookmarks

    0 Replies

    0 Quotes

  6. 🤔 (CVE-2023-40129)[273874525][Bluetooth]In build_read_multi_rsp of gatt_sr.cc: p_buf->len is mtu - 1 and p_cmd->multi_req.variable_len evaluates to true -> integer underflow -> ... -> RCE((proximal/adjacent), 0-click???) https://t.co/b84MvcLbHV https://t.co/kzHx8n

    @xvonfers

    23 Jan 2025

    522 Impressions

    0 Retweets

    3 Likes

    1 Bookmark

    0 Replies

    0 Quotes

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