An exploitable vulnerability exists in the message authentication functionality of libntp in ntp 4.2.8p4 and NTPSec a5fb34b9cc89b92a8fef2f459004865c93bb7f92. An attacker can send a series of crafted messages to attempt to recover the message digest key.
[
{
"product": "NTP",
"vendor": "NTP Project",
"versions": [
{
"status": "affected",
"version": "4.2.8p3"
},
{
"status": "affected",
"version": "4.2.8p4"
}
]
},
{
"product": "NTPSec",
"vendor": "NTPsec Project",
"versions": [
{
"status": "affected",
"version": "a5fb34b9cc89b92a8fef2f459004865c93bb7f92"
}
]
}
]
lists.fedoraproject.org/pipermail/package-announce/2016-May/183647.html
lists.fedoraproject.org/pipermail/package-announce/2016-May/184669.html
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lists.opensuse.org/opensuse-security-announce/2016-05/msg00037.html
lists.opensuse.org/opensuse-security-announce/2016-05/msg00052.html
lists.opensuse.org/opensuse-security-announce/2016-06/msg00001.html
lists.opensuse.org/opensuse-security-announce/2016-06/msg00020.html
lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html
lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.html
lists.opensuse.org/opensuse-updates/2016-05/msg00114.html
packetstormsecurity.com/files/136864/Slackware-Security-Advisory-ntp-Updates.html
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www.securityfocus.com/archive/1/archive/1/538233/100/0/threaded
www.securityfocus.com/bid/88261
www.securitytracker.com/id/1035705
www.talosintelligence.com/reports/TALOS-2016-0084/
www.ubuntu.com/usn/USN-3096-1
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security.FreeBSD.org/advisories/FreeBSD-SA-16:16.ntp.asc
security.gentoo.org/glsa/201607-15
security.netapp.com/advisory/ntap-20171004-0002/
us-cert.cisa.gov/ics/advisories/icsa-21-103-11
us-cert.cisa.gov/ics/advisories/icsa-21-159-11
www.arista.com/en/support/advisories-notices/security-advisories/1332-security-advisory-19
www.debian.org/security/2016/dsa-3629
www.kb.cert.org/vuls/id/718152
www.talosintelligence.com/vulnerability_reports/TALOS-2016-0084