Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2021-3432— BT: Invalid interval in CONNECT_IND leads to Division by Zero

Quick assessment

Affected
zephyrproject-rtos zephyr
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Siemens JT2GO和Siemens Teamcenter Visualization都是德国Siemens公司的产品。Siemens JT2GO是一款JT文件查看器。该软件用于三维图形轻量化预览，可进行3D缩放、全景、旋转、缩放和重定位，具有精确3D测量、基本3D剖面查看、改进的选项过滤器等多种功能。Siemens Teamcenter Visualization是一个可为设计2D、3D场景提供团队协作功能的软件。该软件通过从多种机械计算机辅助设计（MCAD）格式创建虚拟原型，可简化了工程和制造流

CVSS 4.3 · Medium EPSS 0.89% · P59

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2021-3432

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
BT: Invalid interval in CONNECT_IND leads to Division by Zero
Source: CVE Program / CVE List V5
Vulnerability Description
Invalid interval in CONNECT_IND leads to Division by Zero. Zephyr versions >= v1.14.0 Divide By Zero (CWE-369). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-7364-p4wc-8mj4
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
除零错误
Source: CVE Program / CVE List V5
Vulnerability Title
Siemens JT2GO和Siemens Teamcenter Visualization 数字错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Siemens JT2GO和Siemens Teamcenter Visualization都是德国Siemens公司的产品。Siemens JT2GO是一款JT文件查看器。该软件用于三维图形轻量化预览，可进行3D缩放、全景、旋转、缩放和重定位，具有精确3D测量、基本3D剖面查看、改进的选项过滤器等多种功能。Siemens Teamcenter Visualization是一个可为设计2D、3D场景提供团队协作功能的软件。该软件通过从多种机械计算机辅助设计（MCAD）格式创建虚拟原型，可简化了工程和制造流
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
zephyrproject-rtos zephyr v1.14.0 ~ unspecified -

II. Public POCs for CVE-2021-3432

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2021-3432

请登录查看更多情报信息。

Vendor Advisories for CVE-2021-3432 (1)

Same Patch Batch · zephyrproject-rtos · 2022-06-28 · 6 CVEs total

CVE-2021-3430 6.5 MEDIUM BT: Assertion failure on repeated LL_CONNECTION_PARAM_REQ
CVE-2021-3434 4.9 MEDIUM L2CAP: Stack based buffer overflow in le_ecred_conn_req()
CVE-2021-3431 4.3 MEDIUM BT: Assertion failure on repeated LL_FEATURE_REQ
CVE-2021-3433 4.0 MEDIUM BT: Invalid channel map in CONNECT_IND results to Deadlock
CVE-2021-3435 4.0 MEDIUM L2CAP: Information leakage in le_ecred_conn_req()

IV. Related Vulnerabilities

Same product: zephyr
Same vendor: zephyrproject-rtos
Same weakness: CWE-369

V. Comments for CVE-2021-3432

No comments yet

Leave a comment