CVE-2015-7851: Path Traversal
First published: Tue Jan 28 2020(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| NTP ntp | >=4.2.0<4.2.8 | |
| NTP ntp | >=4.3.0<4.3.77 | |
| NTP ntp | =4.2.8-p1 | |
| NTP ntp | =4.2.8-p1-beta1 | |
| NTP ntp | =4.2.8-p1-beta2 | |
| NTP ntp | =4.2.8-p1-beta3 | |
| NTP ntp | =4.2.8-p1-beta4 | |
| NTP ntp | =4.2.8-p1-beta5 | |
| NTP ntp | =4.2.8-p1-rc1 | |
| NTP ntp | =4.2.8-p1-rc2 | |
| NTP ntp | =4.2.8-p2 | |
| NTP ntp | =4.2.8-p2-rc1 | |
| NTP ntp | =4.2.8-p2-rc2 | |
| NTP ntp | =4.2.8-p2-rc3 | |
| NTP ntp | =4.2.8-p3 | |
| NTP ntp | =4.2.8-p3-rc1 | |
| NTP ntp | =4.2.8-p3-rc2 | |
| NTP ntp | =4.2.8-p3-rc3 |
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Reference Links
Frequently Asked Questions
What is CVE-2015-7851?
CVE-2015-7851 is a directory traversal vulnerability in the save_config function in ntpd in NTP before 4.2.8p4.
How does CVE-2015-7851 affect NTP?
CVE-2015-7851 allows remote authenticated users to overwrite arbitrary files on systems that do not use '\' or '/' characters for directory separation such as OpenVMS.
Which versions of NTP are affected by CVE-2015-7851?
NTP versions before 4.2.8p4 are affected by CVE-2015-7851.
What is the severity of CVE-2015-7851?
CVE-2015-7851 has a severity rating of 6.5 (medium).
How can I fix CVE-2015-7851?
To fix CVE-2015-7851, you should upgrade to NTP version 4.2.8p4 or later.
- collector/nvd-index
- agent/weakness
- agent/severity
- agent/references
- agent/author
- agent/type
- agent/event
- agent/tags
- agent/description
- agent/last-modified-date
- agent/softwarecombine
- agent/first-publish-date
- collector/mitre-cve
- source/MITRE
- vendor/ntp
- canonical/ntp ntp
- version/ntp ntp/4.2.0
- version/ntp ntp/4.3.0
- version/ntp ntp/4.2.8-p1
- version/ntp ntp/4.2.8-p1-beta1
- version/ntp ntp/4.2.8-p1-beta2
- version/ntp ntp/4.2.8-p1-beta3
- version/ntp ntp/4.2.8-p1-beta4
- version/ntp ntp/4.2.8-p1-beta5
- version/ntp ntp/4.2.8-p1-rc1
- version/ntp ntp/4.2.8-p1-rc2
- version/ntp ntp/4.2.8-p2
- version/ntp ntp/4.2.8-p2-rc1
- version/ntp ntp/4.2.8-p2-rc2
- version/ntp ntp/4.2.8-p2-rc3
- version/ntp ntp/4.2.8-p3
- version/ntp ntp/4.2.8-p3-rc1
- version/ntp ntp/4.2.8-p3-rc2
- version/ntp ntp/4.2.8-p3-rc3