CVE-2015-7691

HIGH

NTP 4.2.0-4.2.8 - Denial of Service via Crafted Autokey Packets

Title source: llm
STIX 2.1

Description

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) via crafted packets containing particular autokey operations. NOTE: This vulnerability exists due to an incomplete fix for CVE-2014-9750.

References (10)

Core 10
Core References
Issue Tracking, Third Party Advisory, VDB Entry x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=1274254
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/77274
Vendor Advisory x_refsource_confirm
http://support.ntp.org/bin/view/Main/NtpBug2899
Third Party Advisory vendor-advisory x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2016-2583.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1033951
Third Party Advisory vendor-advisory x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2016-0780.html
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2015/dsa-3388
Third Party Advisory, VDB Entry vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/201607-15
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20171004-0001/

Scores

CVSS v3 7.5
EPSS 0.0710
EPSS Percentile 93.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-20
Status published
Products (28)
debian/debian_linux 7.0
debian/debian_linux 8.0
debian/debian_linux 9.0
netapp/clustered_data_ontap
netapp/data_ontap
netapp/oncommand_performance_manager
netapp/oncommand_unified_manager
ntp/ntp 4.2.8 (17 CPE variants)
ntp/ntp 4.2.0 - 4.2.8
oracle/linux 6
... and 18 more
Published Aug 07, 2017
Tracked Since Feb 18, 2026