What’s Vulnerable › Vulnerabilities
CVE-2015-5219
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 6.1% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2017-07-21 · updated 2026-06-17
- Weakness: CWE-704
Description
The ULOGTOD function in ntp.d in SNTP before 4.2.7p366 does not properly perform type conversions from a precision value to a double, which allows remote attackers to cause a denial of service (infinite loop) via a crafted NTP packet.
Affected products
- Canonical Ubuntu Linux: 12.04, 14.04, 15.04, 15.10
- Debian Linux: 7.0, 8.0
- Fedoraproject Fedora: 21, 22, 23
- Novell Leap: 42.2
- NTP: through 4.2.7
- openSUSE Leap: 42.1
- Oracle Corporation Oracle Linux: 6
- RedHat Enterprise Linux Desktop: 6.0, 7.0
- RedHat Enterprise Linux Hpc Node: 6.0, 7.0
- RedHat Enterprise Linux Server: 6.0, 7.0
- RedHat Enterprise Linux Workstation: 6.0, 7.0
- Siemens Tim 4R-Id Dnp3 Firmware: all versions
- Siemens Tim 4R-Ie Firmware: all versions
- SUSE Linux Enterprise Debuginfo: 11-sp2, 11-sp3
- SUSE Linux Enterprise Server: 10-sp4, 11-sp2, 11-sp3
- SUSE Manager: 2.1
- SUSE Manager Proxy: 2.1
- SUSE Openstack Cloud: 5
References
- http://aix.software.ibm.com/aix/efixes/security/ntp_advisory4.asc
- http://bk1.ntp.org/ntp-dev/?PAGE=patch&REV=51786731Gr4-NOrTBC_a_uXO4wuGhg
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/170926.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169167.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-September/166992.html
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00048.html
- http://lists.opensuse.org/opensuse-updates/2016-12/msg00153.html
- http://rhn.redhat.com/errata/RHSA-2016-0780.html
- http://rhn.redhat.com/errata/RHSA-2016-2583.html
- http://www.debian.org/security/2015/dsa-3388
- http://www.openwall.com/lists/oss-security/2015/08/25/3
- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
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