CVE-2015-5195

high-risk
Published 2017-07-21

ntp_openssl.m4 in ntpd in NTP before 4.2.7p112 allows remote attackers to cause a denial of service (segmentation fault) via a crafted statistics or filegen configuration command that is not enabled during compilation.

Do I need to act?

~
7.9% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
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 (18)

Ntp

Affected Vendors

Ntp Debian Canonical Redhat Fedoraproject

References (34)

Third Party Advisory http://lists.fedoraproject.org/pipermail/package-announce/2015-November/170926.h...
Third Party Advisory http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169167.ht...
Third Party Advisory http://lists.fedoraproject.org/pipermail/package-announce/2015-September/166992....
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2016-0780.html
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2016-2583.html
Third Party Advisory http://www.debian.org/security/2015/dsa-3388
Mailing List http://www.openwall.com/lists/oss-security/2015/08/25/3
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.h...
Third Party Advisory http://www.securityfocus.com/bid/76474
Third Party Advisory http://www.ubuntu.com/usn/USN-2783-1
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1254544
Issue Tracking https://github.com/ntp-project/ntp/commit/52e977d79a0c4ace997e5c74af429844da2f27...
Third Party Advisory https://www-01.ibm.com/support/docview.wss?uid=isg3T1024157
Third Party Advisory https://www-01.ibm.com/support/docview.wss?uid=swg21985122
Third Party Advisory https://www-01.ibm.com/support/docview.wss?uid=swg21986956
Third Party Advisory https://www-01.ibm.com/support/docview.wss?uid=swg21988706
Third Party Advisory https://www-01.ibm.com/support/docview.wss?uid=swg21989542
Third Party Advisory http://lists.fedoraproject.org/pipermail/package-announce/2015-November/170926.h...
Third Party Advisory http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169167.ht...
Third Party Advisory http://lists.fedoraproject.org/pipermail/package-announce/2015-September/166992....
and 14 more references
55
/ 100
high-risk
Severity 26/34 · High
Exploitability 10/34 · Low
Exposure 19/34 · Moderate