CVE-2015-7702: Input Validation
Published Aug 7, 2017
·Updated
The cryptoxmit function in ntpd 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). NOTE: This vulnerability exists due to an incomplete fix for CVE-2014-9750.
Affected Software
45 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
Oracle Linux=6
Debian Debian Linux=7.0
Debian Debian Linux=8.0
Debian Debian Linux=9.0
NetApp Oncommand Performance Manager
NetApp Oncommand Unified Manager Clustered Data Ontap
NetApp Clustered Data ONTAP
NetApp Data Ontap 7-mode
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
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 versions are affected by CVE-2015-7702?
CVE-2015-7702 affects NTP versions 4.2.x before 4.2.8p4 and 4.3.x before 4.3.77.
2
What type of attack is associated with CVE-2015-7702?
CVE-2015-7702 allows remote attackers to cause a denial of service through the crypto_xmit function.
3
How can I mitigate the effects of CVE-2015-7702?
To mitigate CVE-2015-7702, you should upgrade to NTP version 4.2.8p4 or 4.3.77 or later.
4
What is the impact of CVE-2015-7702 on server availability?
CVE-2015-7702 can lead to server crashes, resulting in loss of availability for NTP services.
5
Is CVE-2015-7702 related to any previous vulnerabilities?
Yes, CVE-2015-7702 is related to an incomplete fix for CVE-2014-9750.