Improper Input Validation Affecting ntpdate package, versions <0:4.2.6p5-28.0.1.el7
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published10 Apr 2022
- disclosed27 Mar 2017
Introduced: 27 Mar 2017
CVE-2017-6464 (opens in a new tab)How to fix?
Upgrade Oracle:7 ntpdate to version 0:4.2.6p5-28.0.1.el7 or higher.
This issue was patched in ELSA-2018-0855.
NVD Description
Note: Versions mentioned in the description apply only to the upstream ntpdate package and not the ntpdate package as distributed by Oracle.
See How to fix? for Oracle:7 relevant fixed versions and status.
NTP before 4.2.8p10 and 4.3.x before 4.3.94 allows remote attackers to cause a denial of service (ntpd crash) via a malformed mode configuration directive.
References
- https://linux.oracle.com/cve/CVE-2017-6464.html
- https://linux.oracle.com/errata/ELSA-2017-3071.html
- https://linux.oracle.com/errata/ELSA-2018-0855.html
- http://support.ntp.org/bin/view/Main/NtpBug3389
- http://support.ntp.org/bin/view/Main/SecurityNotice#March_2017_ntp_4_2_8p10_NTP_Secu
- http://www.securityfocus.com/bid/97050
- http://www.securitytracker.com/id/1038123
- https://access.redhat.com/errata/RHSA-2017:3071
- https://access.redhat.com/errata/RHSA-2018:0855
- https://security.FreeBSD.org/advisories/FreeBSD-SA-17:03.ntp.asc
- https://support.apple.com/HT208144
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03962en_us