CVE-2015-7852: Input Validation
Published Aug 7, 2017
·Updated
ntpq in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service (crash) via crafted mode 6 response packets.
Affected Software
46 affected components
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
Debian Debian Linux=7.0
Debian Debian Linux=8.0
Debian Debian Linux=9.0
NetApp OnCommand Balance
NetApp Oncommand Performance Manager
NetApp Oncommand Unified Manager Clustered Data Ontap
NetApp Clustered Data ONTAP
NetApp Data Ontap 7-mode
Oracle Linux=6
redhat Enterprise Linux Desktop=6.0
redhat Enterprise Linux Desktop=7.0
redhat Enterprise Linux Server=6.0
redhat Enterprise Linux Server=7.0
redhat Enterprise Linux Server Aus=7.3
redhat Enterprise Linux Server Aus=7.4
redhat Enterprise Linux Server Aus=7.6
redhat Enterprise Linux Server Aus=7.7
redhat Enterprise Linux Server Eus=7.3
redhat Enterprise Linux Server Eus=7.4
redhat Enterprise Linux Server Eus=7.5
redhat Enterprise Linux Server Eus=7.6
redhat Enterprise Linux Server Eus=7.7
redhat Enterprise Linux Server Tus=7.3
redhat Enterprise Linux Server Tus=7.6
redhat Enterprise Linux Server Tus=7.7
redhat Enterprise Linux Workstation=6.0
redhat Enterprise Linux Workstation=7.0
Remediation
Patch Available
Event History
Aug 7, 2017
CVE Published
via MITRE·08:00 PM
Data Sourced
via MITRE·08:00 PM
Description
Frequently Asked Questions
1
What is the severity of CVE-2015-7852?
CVE-2015-7852 has a severity rating of medium due to its potential to cause a denial of service.
2
How do I fix CVE-2015-7852?
To fix CVE-2015-7852, upgrade NTP to version 4.2.8p4 or 4.3.77 or later.
3
What systems are affected by CVE-2015-7852?
CVE-2015-7852 affects NTP versions 4.2.8 prior to p4 and 4.3.x prior to 4.3.77.
4
Is CVE-2015-7852 exploitable remotely?
Yes, CVE-2015-7852 can be exploited remotely via crafted mode 6 response packets.
5
What is the impact of CVE-2015-7852 on my system?
The impact of CVE-2015-7852 is the potential crashing of the NTP daemon, leading to denial of service.