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CVE-2022-43703— Incomplete verification of installation file signature

Quick assessment

Affected
Arm Ltd Arm Compiler 5 (AC5), Arm Compiler for Embedded 6 (AC6), Fast Models (FM), Arm Compiler for Embedded FuSA (ACEF), Arm Development Studio (ADS), Arm Forge (AF), Arm Mobile Studio (AMS), DS-5 Development Studio, Fast Models (FM), GNU Toolchain (GT), Keil MDK (KMDK), Mbed Studio (MS)
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.

ARM Compiler是英国ARM公司的一个用于编译生成ARM架构应用的工具。 ARM Compiler 存在安全漏洞，该漏洞源于使用不受约束的搜索路径加载或执行文件的安装程序，可能容易受到攻击者控制下的替换文件攻击。

AI Predicted 7.5 Difficulty: Moderate EPSS 0.19% · P9

Possible ATT&CK Techniques 1 AI

T1574.001 · DLL
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I. Basic Information for CVE-2022-43703

Vulnerability Information
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Vulnerability Title
Incomplete verification of installation file signature
Source: CVE Program / CVE List V5
Vulnerability Description
An installer that loads or executes files using an unconstrained search path may be vulnerable to substitute files under control of an attacker being loaded or executed instead of the intended files.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
对搜索路径元素未加控制
Source: CVE Program / CVE List V5
Vulnerability Title
ARM Compiler 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ARM Compiler是英国ARM公司的一个用于编译生成ARM架构应用的工具。 ARM Compiler 存在安全漏洞，该漏洞源于使用不受约束的搜索路径加载或执行文件的安装程序，可能容易受到攻击者控制下的替换文件攻击。
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
Arm Ltd Arm Compiler 5 (AC5), Arm Compiler for Embedded 6 (AC6), Fast Models (FM), Arm Compiler for Embedded FuSA (ACEF), Arm Development Studio (ADS), Arm Forge (AF), Arm Mobile Studio (AMS), DS-5 Development Studio, Fast Models (FM), GNU Toolchain (GT), Keil MD AC5 All Releases, AC6 Releases prior to 6.20, ACEF All Releases, ADS All Releases, AF Releases prior to 22.1, AMS All releases, DS5 All Releases, FM All Releases, GT All Releases, KMDK All Releases, MS All Releases -

II. Public POCs for CVE-2022-43703

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III. Intelligence Information for CVE-2022-43703

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Other References for CVE-2022-43703 (2)

Same Patch Batch · Arm Ltd · 2023-07-27 · 3 CVEs total

CVE-2022-43702 Incomplete verification of installation file signature
CVE-2022-43701 Insecure directory permissions on installer files

IV. Related Vulnerabilities

Same product: Arm Compiler 5 (AC5), Arm Compiler for Embedded 6 (AC6), Fast Models (FM), Arm Compiler for Embedded FuSA (ACEF), Arm Development Studio (ADS), Arm Forge (AF), Arm Mobile Studio (AMS), DS-5 Development Studio, Fast Models (FM), GNU Toolchain (GT), Keil MDK (KMDK), Mbed Studio (MS)
Same vendor: Arm Ltd
Same weakness: CWE-427

V. Comments for CVE-2022-43703

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