CVE-2015-7854: Buffer Overflow
First published: Thu Oct 22 2015(Updated: )
Buffer overflow in the password management functionality in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote authenticated users to cause a denial of service (daemon crash) or possibly execute arbitrary code via a crafted key file.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/ntp | <4.2.8 | 4.2.8 |
| NTP ntp | >=4.2.0<4.2.8 | |
| NTP ntp | >=4.3.0<4.3.77 | |
| NTP ntp | =4.2.8 | |
| 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 | |
| NetApp OnCommand Balance | ||
| NetApp OnCommand Performance Manager | ||
| NetApp OnCommand Unified Manager | ||
| NetApp Clustered Data ONTAP | ||
| NetApp Data ONTAP 7-Mode |
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Reference Links
- http://talosintel.com/reports/TALOS-2015-0065/
- http://support.ntp.org/bin/view/Main/SecurityNotice#October_2015_NTP_Security_Vulner
- https://github.com/ntp-project/ntp/commit/9c22e66c8f2be6aa0c846f0d9804db20f93c105d
- https://bugzilla.redhat.com/show_bug.cgi?id=1274263
- http://support.ntp.org/bin/view/Main/NtpBug2921
- http://www.securityfocus.com/bid/77277
- http://www.securitytracker.com/id/1033951
- https://security.gentoo.org/glsa/201607-15
- https://security.netapp.com/advisory/ntap-20171004-0001/
Frequently Asked Questions
What is the severity of CVE-2015-7854?
The severity of CVE-2015-7854 is considered high due to the potential for denial of service and remote code execution.
How do I fix CVE-2015-7854?
To fix CVE-2015-7854, upgrade NTP to version 4.2.8p4 or 4.3.77 or later.
Which versions of NTP are affected by CVE-2015-7854?
Versions of NTP 4.2.x before 4.2.8p4 and 4.3.x before 4.3.77 are affected by CVE-2015-7854.
What type of attacks can CVE-2015-7854 enable?
CVE-2015-7854 can enable denial of service attacks and potentially allow remote authenticated users to execute arbitrary code.
Is there a workaround for CVE-2015-7854 if I cannot upgrade?
There are no specific workarounds for CVE-2015-7854; upgrading to a fixed version is the recommended solution.
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