CVE-2015-7704
high-risk
Published 2017-08-07
The ntpd client in NTP 4.x before 4.2.8p4 and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service via a number of crafted "KOD" messages.
Do I need to act?
!
13.9% chance of exploitation in next 30 days
EPSS score — higher than 86% of all CVEs
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10
High
NETWORK
/ LOW complexity
Affected Products (20)
References (40)
Issue Tracking
http://bugs.ntp.org/show_bug.cgi?id=2901
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-1930.html
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-2520.html
Vendor Advisory
http://support.ntp.org/bin/view/Main/NtpBug2901
Third Party Advisory
http://www.debian.org/security/2015/dsa-3388
Third Party Advisory
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
Third Party Advisory
http://www.securityfocus.com/bid/77280
Third Party Advisory
http://www.securitytracker.com/id/1033951
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1271070
Technical Description
https://eprint.iacr.org/2015/1020.pdf
Third Party Advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c...
Third Party Advisory
https://kc.mcafee.com/corporate/index?page=content&id=SB10284
Third Party Advisory
https://security.gentoo.org/glsa/201607-15
Third Party Advisory
https://security.netapp.com/advisory/ntap-20171004-0001/
Third Party Advisory
https://security.netapp.com/advisory/ntap-20171004-0002/
Third Party Advisory
https://support.citrix.com/article/CTX220112
Third Party Advisory
https://www.cs.bu.edu/~goldbe/NTPattack.html
Third Party Advisory
https://www.kb.cert.org/vuls/id/718152
and 20 more references
64
/ 100
high-risk
Severity
26/34 · High
Exploitability
12/34 · Low
Exposure
26/34 · High