What’s Vulnerable › Vulnerabilities

CVE-2015-5194

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 6.5% 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-20

Description

The log_config_command function in ntp_parser.y in ntpd in NTP before 4.2.7p42 allows remote attackers to cause a denial of service (ntpd crash) via crafted logconfig commands.

Affected products

• Canonical Ubuntu Linux: 12.04, 14.04, 15.04, 15.10
• Debian Linux: 7.0, 8.0
• Fedoraproject Fedora: 21, 22
• NTP: through 4.2.7
• 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
• 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://bk1.ntp.org/ntp-dev/?PAGE=patch&REV=4c4fc141LwvcoGp-lLGhkAFp3ZvtrA
• http://lists.fedoraproject.org/pipermail/package-announce/2015-November/170926.html
• http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169167.html
• http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00048.html
• http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html
• http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.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
• http://www.securityfocus.com/bid/76475

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