CVE-2015-7851
ntp: saveconfig directory traversal vulnerability
Severity
ModerateRed Hat Product Security
CVSS 2.0
Review impact separately from score.
Published · October 21, 2015
Updated · November 22, 2025
Description
Directory traversal vulnerability in the save_config function in ntpd in ntp_control.c in NTP before 4.2.8p4, when used on systems that do not use '' or '/' characters for directory separation such as OpenVMS, allows remote authenticated users to overwrite arbitrary files.
Statement
This issue did not affect the versions of ntp as shipped with Red Hat Enterprise Linux 5, 6, and 7. This issue only affected OpenVMS operating systems, which use characters other than "/" and "" for directory separation, allowing exploitation of this flaw.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 2.0 · 4.3AV:N/AC:M/Au:N/C:N/I:P/A:N
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')