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

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2023-43538— Buffer Copy Without Checking Size of Input (`Classic Buffer Overflow`) in TZ Secure OS

Quick assessment

Affected
Qualcomm, Inc. Snapdragon
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.

Qualcomm 芯片是美国高通（Qualcomm）公司的芯片。一种将电路（主要包括半导体设备，也包括被动组件等）小型化的方式，并时常制造在半导体晶圆表面上。 Qualcomm 芯片存在安全漏洞，该漏洞源于隧道调用管理器初始化时，TZ 安全操作系统中发生内存损坏。

CVSS 9.3 · Critical EPSS 0.10% · P1

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-2023-43538

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
Buffer Copy Without Checking Size of Input (`Classic Buffer Overflow`) in TZ Secure OS
Source: CVE Program / CVE List V5
Vulnerability Description
Memory corruption in TZ Secure OS while Tunnel Invoke Manager initialization.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: CVE Program / CVE List V5
Vulnerability Title
Qualcomm 芯片 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Qualcomm 芯片是美国高通（Qualcomm）公司的芯片。一种将电路（主要包括半导体设备，也包括被动组件等）小型化的方式，并时常制造在半导体晶圆表面上。 Qualcomm 芯片存在安全漏洞，该漏洞源于隧道调用管理器初始化时，TZ 安全操作系统中发生内存损坏。
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)

Shenlong Deep Dive — AI Deep Analysis

10-question deep dive: root cause, exploitation, mitigation, urgency. Read summary free, full version requires login.

Read summary Full analysis (login)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Qualcomm, Inc. Snapdragon AQT1000 -

II. Public POCs for CVE-2023-43538

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

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2023-43538

请登录查看更多情报信息。

Other References for CVE-2023-43538 (1)

Same Patch Batch · Qualcomm, Inc. · 2024-06-03 · 12 CVEs total

CVE-2023-43556 9.3 CRITICAL Buffer Copy Without Checking Size of Input in Hypervisor
CVE-2023-43551 9.1 CRITICAL Improper Authentication in Multi-Mode Call Processor
CVE-2024-23360 8.4 HIGH Improper Access Control in Graphics Windows
CVE-2023-43555 8.2 HIGH Buffer Over-read in Video
CVE-2023-43542 7.8 HIGH Buffer Copy Without Checking Size of Input in Trusted Execution Environment
CVE-2024-23363 7.5 HIGH Buffer Over-read in WLAN Firmware
CVE-2023-43543 6.7 MEDIUM Use After Free in Audio
CVE-2023-43544 6.7 MEDIUM Use After Free in Audio
CVE-2023-43545 6.7 MEDIUM Integer Overflow or Wraparound in WLAN HOST
CVE-2023-43537 6.5 MEDIUM Buffer Over-read in WLAN Host
CVE-2024-21478 6.2 MEDIUM NULL Pointer Dereference in Graphics

IV. Related Vulnerabilities

Same product: Snapdragon
Same vendor: Qualcomm, Inc.
Same weakness: CWE-120

V. Comments for CVE-2023-43538

No comments yet

Leave a comment