high
7.5
CWE
20
Advisory Published
CVE Published
Updated

CVE-2015-5194: Input Validation

First published: Tue Aug 18 2015(Updated: )

It was found that ntpd could crash due to an uninitialized variable when processing malformed logconfig configuration commands, for example: ntpq -c ":config logconfig a" Upstream patch: <a href="http://bk.ntp.org/ntp-dev/?PAGE=patch&amp;REV=4c4fc141LwvcoGp-lLGhkAFp3ZvtrA">http://bk.ntp.org/ntp-dev/?PAGE=patch&amp;REV=4c4fc141LwvcoGp-lLGhkAFp3ZvtrA</a>

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
Red Hat Fedora=21
Red Hat Fedora=22
SUSE Linux Enterprise Debuginfo=11-sp2
SUSE Linux Enterprise Debuginfo=11-sp3
SUSE Linux Enterprise Server=10-sp4
SUSE Linux Enterprise Server=11-sp2
SUSE Linux Enterprise Server=11-sp3
SUSE Manager Server=2.1
SUSE Manager Proxy=2.1
openSUSE OpenStack Cloud=5
Red Hat Enterprise Linux Desktop=6.0
Red Hat Enterprise Linux Desktop=7.0
Red Hat Enterprise Linux HPC Node=6.0
Red Hat Enterprise Linux HPC Node=7.0
Red Hat Enterprise Linux Server=6.0
Red Hat Enterprise Linux Server=7.0
Red Hat Enterprise Linux Workstation=6.0
Red Hat Enterprise Linux Workstation=7.0
Debian Linux=7.0
Debian Linux=8.0
Ubuntu=12.04
Ubuntu=14.04
Ubuntu=15.04
Ubuntu=15.10
NTP<=4.2.7

Remedy

http://bk1.ntp.org/ntp-dev/?PAGE=patch&REV=4c4fc141LwvcoGp-lLGhkAFp3ZvtrA

Remedy

http://www.openwall.com/lists/oss-security/2015/08/25/3

Remedy

https://bugzilla.redhat.com/show_bug.cgi?id=1254542

Remedy

https://github.com/ntp-project/ntp/commit/553f2fa65865c31c5e3c48812cfd46176cffdd27

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2015-5194?

    CVE-2015-5194 has been classified as a moderate severity vulnerability.

  • How do I fix CVE-2015-5194?

    To fix CVE-2015-5194, ensure you apply the patches provided by your operating system vendor.

  • Which versions of ntpd are affected by CVE-2015-5194?

    ntpd versions prior to 4.2.8 are vulnerable to CVE-2015-5194.

  • What systems are impacted by CVE-2015-5194?

    CVE-2015-5194 affects various systems including Fedora, SUSE, Red Hat, and Debian distributions.

  • Can CVE-2015-5194 cause crashes?

    Yes, CVE-2015-5194 can lead to crashes of ntpd when processing malformed logconfig commands.

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