Vulnerability in Ntp
CVE-2015-5300
The panic_gate check in NTP before 4.2.8p5 is only re-enabled after the first change to the system clock that was greater than 128 milliseconds by default, which allows remote attackers to set NTP to an arbitrary time when started with the…
EPSS: 0.368 (97.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Ntp
- Canonical Ubuntu_linux — versions 12.04, 14.04, 15.04
- Debian Debian_linux — versions 7.0, 8.0
- Fedoraproject Fedora — versions 21, 22
- Opensuse Leap — versions 42.1
- Opensuse — versions 13.2
- Redhat Enterprise_linux_desktop — versions 6.0, 7.0
- Redhat Enterprise_linux_hpc_node — versions 6.0, 7.0
- Redhat Enterprise_linux_hpc_node_eus — versions 7.1
- Redhat Enterprise_linux_server — versions 6.0, 7.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (vendor-advisory, Third Party Advisory, x_refsource_SUSE)
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- secalert@redhat.com (vendor-advisory, Third Party Advisory, x_refsource_SUSE)
- secalert@redhat.com (x_refsource_CONFIRM, Third Party Advisory)
- secalert@redhat.com (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (vendor-advisory, Third Party Advisory, x_refsource_SUSE)
- secalert@redhat.com (US Government Resource, Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (x_refsource_CONFIRM, Third Party Advisory)
- secalert@redhat.com (x_refsource_CONFIRM, Patch, Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2015-5300?
- CVE-2015-5300 is a high-severity vulnerability in Ntp, classified under CWE-361. CVSS score: 7.5/10. Published 2017-07-21.
- How severe is CVE-2015-5300?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2015-5300 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.