CVE-2014-9750: Input Validation
First published: Tue Oct 06 2015(Updated: )
ntp_crypto.c in ntpd in NTP 4.x before 4.2.8p1, when Autokey Authentication is enabled, allows remote attackers to obtain sensitive information from process memory or cause a denial of service (daemon crash) via a packet containing an extension field with an invalid value for the length of its value field.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| NTP | >=4.2.0<4.2.8 | |
| NTP | =4.2.8 | |
| Red Hat Enterprise Linux Desktop | =6.0 | |
| Red Hat Enterprise Linux Server | =6.0 | |
| Red Hat Enterprise Linux Workstation | =6.0 | |
| Debian | =7.0 | |
| Debian | =8.0 | |
| Debian | =9.0 | |
| Oracle Linux | =7 |
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Reference Links
- http://bugs.ntp.org/show_bug.cgi?id=2671
- http://rhn.redhat.com/errata/RHSA-2015-1459.html
- http://support.ntp.org/bin/view/Main/SecurityNotice#December_2014_NTP_Security_Vulne
- http://www.debian.org/security/2015/dsa-3388
- http://www.kb.cert.org/vuls/id/852879
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- http://www.securityfocus.com/bid/72583
- https://bugzilla.redhat.com/show_bug.cgi?id=1184573
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03886en_us
Frequently Asked Questions
What is the severity of CVE-2014-9750?
CVE-2014-9750 has been assigned a severity level that could lead to sensitive data exposure or denial of service.
How do I fix CVE-2014-9750?
To fix CVE-2014-9750, update your NTP software to version 4.2.8p1 or later.
Which versions of NTP are affected by CVE-2014-9750?
CVE-2014-9750 affects NTP 4.x versions prior to 4.2.8p1 when Autokey Authentication is enabled.
What exploit does CVE-2014-9750 allow?
CVE-2014-9750 allows remote attackers to exploit an invalid packet extension field, potentially leading to sensitive information disclosure or service interruptions.
Is CVE-2014-9750 relevant for my Linux distribution?
CVE-2014-9750 is relevant for various Linux distributions, including Red Hat and Debian, particularly impacting specific versions.
- agent/type
- agent/remedy
- agent/last-modified-date
- agent/first-publish-date
- agent/description
- agent/references
- agent/author
- agent/severity
- agent/weakness
- agent/event
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/ntp
- canonical/ntp
- version/ntp/4.2.0
- version/ntp/4.2.8
- vendor/redhat
- canonical/red hat enterprise linux desktop
- version/red hat enterprise linux desktop/6.0
- canonical/red hat enterprise linux server
- version/red hat enterprise linux server/6.0
- canonical/red hat enterprise linux workstation
- version/red hat enterprise linux workstation/6.0
- vendor/debian
- canonical/debian
- version/debian/7.0
- version/debian/8.0
- version/debian/9.0
- vendor/oracle
- canonical/oracle linux
- version/oracle linux/7