high
7.5
CWE
20
Advisory Published
Updated

CVE-2015-7692: Input Validation

First published: Mon Aug 07 2017(Updated: )

The crypto_xmit 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.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
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 GNU/Linux=7.0
Debian GNU/Linux=8.0
Debian GNU/Linux=9.0
NetApp OnCommand Performance Manager
NetApp OnCommand Unified Manager
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

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2015-7692?

    CVE-2015-7692 is categorized as a denial of service vulnerability that can lead to a crash of the NTP service.

  • How do I fix CVE-2015-7692?

    To remediate CVE-2015-7692, update NTP to version 4.2.8p4 or later for 4.2.x, or to version 4.3.77 or later for 4.3.x.

  • What systems are affected by CVE-2015-7692?

    CVE-2015-7692 affects NTP versions 4.2.0 to 4.2.8p3 and versions 4.3.0 to 4.3.76.

  • What type of vulnerability is CVE-2015-7692?

    CVE-2015-7692 is a denial of service vulnerability that allows remote attackers to crash the NTP service.

  • Is CVE-2015-7692 related to any other vulnerabilities?

    CVE-2015-7692 is related to CVE-2014-9750, as it exists due to an incomplete fix for that vulnerability.

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