NULL Pointer Dereference Affecting ntp package, versions <1:4.2.8p8+dfsg-1
Threat Intelligence
EPSS
92.31% (100th
percentile)
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Test your applications- Snyk ID SNYK-DEBIAN11-NTP-523877
- published 5 Jul 2016
- disclosed 5 Jul 2016
Introduced: 5 Jul 2016
CVE-2016-4957 Open this link in a new tabHow to fix?
Upgrade Debian:11 ntp to version 1:4.2.8p8+dfsg-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream ntp package and not the ntp package as distributed by Debian.
See How to fix? for Debian:11 relevant fixed versions and status.
ntpd in NTP before 4.2.8p8 allows remote attackers to cause a denial of service (daemon crash) via a crypto-NAK packet. NOTE: this vulnerability exists because of an incorrect fix for CVE-2016-1547.
References
- http://www.kb.cert.org/vuls/id/321640
- http://bugs.ntp.org/3046
- http://support.ntp.org/bin/view/Main/NtpBug3046
- http://support.ntp.org/bin/view/Main/SecurityNotice
- https://security-tracker.debian.org/tracker/CVE-2016-4957
- https://security.FreeBSD.org/advisories/FreeBSD-SA-16:24.ntp.asc
- https://security.gentoo.org/glsa/201607-15
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00018.html
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00023.html
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00024.html
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00028.html
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00040.html
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- http://www.securitytracker.com/id/1036037
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