Resource exhaustion in Hpe Hpux-ntp
CVE-2016-7426
NTP before 4.2.8p9 rate limits responses received from the configured sources when rate limiting for all associations is enabled, which allows remote attackers to cause a denial of service (prevent responses from the sources) by sending re…
Vulnerability class: DoS (Denial of Service)
EPSS: 0.117 (93.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Hpe Hpux-ntp
- Ntp — versions 4.2.5, 4.2.8
- Canonical Ubuntu_linux — versions 12.04
- Redhat Enterprise_linux_desktop — versions 6.0, 7.0
- Redhat Enterprise_linux_server — versions 6.0, 7.0
- Redhat Enterprise_linux_server_aus — versions 7.3, 7.4, 7.6
- Redhat Enterprise_linux_server_eus — versions 7.3, 7.4, 7.5
- Redhat Enterprise_linux_server_tus — versions 7.3, 7.6, 7.7
- Redhat Enterprise_linux_workstation — versions 6.0, 7.0
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)
- cve@mitre.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- cve@mitre.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- cve@mitre.org (x_refsource_CONFIRM, Release Notes, Vendor Advisory)
- cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)
- cve@mitre.org (US Government Resource, x_refsource_CERT-VN, Third Party Advisory, third-party-advisory)
- cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)
- cve@mitre.org (x_refsource_CONFIRM, Mitigation, Issue Tracking, Vendor Advisory)
- cve@mitre.org (x_refsource_FREEBSD, vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2016-7426?
- CVE-2016-7426 is a high-severity vulnerability in Hpe Hpux-ntp, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2017-01-13.
- How severe is CVE-2016-7426?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2016-7426 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.