Severity
7.5HIGH
EPSS
8.4%
top 7.67%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedJul 21
Latest updateMay 14

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.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages11 packages

Debianntp< 1:4.2.8p3+dfsg-1
NVDntp/ntp4.2.7
NVDsuse/manager2.1

Also affects: Debian Linux 7.0, 8.0, Fedora 21, 22, Ubuntu Linux 12.04, 14.04, 15.04, 15.10

Patches

🔴Vulnerability Details

4
GHSA
GHSA-3263-mvg8-28x9: The log_config_command function in ntp_parser2022-05-14
OSV
CVE-2015-5194: The log_config_command function in ntp_parser2017-07-21
CVEList
CVE-2015-5194: The log_config_command function in ntp_parser2017-07-21
OSV
ntp vulnerabilities2015-10-27

📋Vendor Advisories

3
Ubuntu
NTP vulnerabilities2015-10-27
Red Hat
ntp: crash with crafted logconfig configuration command2015-08-25
Debian
CVE-2015-5194: ntp - The log_config_command function in ntp_parser.y in ntpd in NTP before 4.2.7p42 a...2015

💬Community

2
Bugzilla
CVE-2015-5194 ntp: invalid free() with crafted logconfig configuration command [fedora-all]2015-08-25
Bugzilla
CVE-2015-5194 ntp: crash with crafted logconfig configuration command2015-08-18