CVE-2022-43702 Incomplete verification of installation file signature

High 7.8 Published 27 Jul 2023 Updated 13 Feb 2025

Attackers can execute malicious code by modifying installer files if directory permissions are not restrictive, affecting Arm development tools.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2022-43702?

CVE-2022-43702 is a high-severity code injection vulnerability in 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), published on 27 Jul 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

When the directory containing the installer does not have sufficiently restrictive file permissions, an attacker can modify (or replace) the installer to execute malicious code.

Weakness: CWE-276, CWE-284

Which versions are affected by CVE-2022-43702?

It affects 6 products.

Products include Arm Arm Compiler, Arm Arm Compiler for Embedded Fusa, Arm Arm Compiler for Functional Safety, Arm Arm Development Studio, Arm Ds Development Studio, Arm Fast Models.

How do I fix CVE-2022-43702?

No fix has been published for CVE-2022-43702 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2022-43702 being exploited?

There is no known exploitation of CVE-2022-43702 in the wild and no public exploit code.

Sources

Also known as GHSA-g3h3-xh77-5fcf.