Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2015-7975

The nextvar function in NTP before 4.2.8p6 and 4.3.x before 4.3.90 does not properly validate the length of its input, which allows an attacker to cause a denial of service (application crash).

Published

2017-01-30T21:59:00.253

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 6.2 (MEDIUM)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:N/I:N/A:P

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

3.9

Impact Score

2.9

Weaknesses

Type: Primary
CWE-119

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	ntp	ntp	≤ 4.2.8	Yes
Application	ntp	ntp	4.3.0	Yes
Application	ntp	ntp	4.3.1	Yes
Application	ntp	ntp	4.3.2	Yes
Application	ntp	ntp	4.3.3	Yes
Application	ntp	ntp	4.3.4	Yes
Application	ntp	ntp	4.3.5	Yes
Application	ntp	ntp	4.3.6	Yes
Application	ntp	ntp	4.3.7	Yes
Application	ntp	ntp	4.3.8	Yes
Application	ntp	ntp	4.3.10	Yes
Application	ntp	ntp	4.3.11	Yes
Application	ntp	ntp	4.3.12	Yes
Application	ntp	ntp	4.3.13	Yes
Application	ntp	ntp	4.3.14	Yes
Application	ntp	ntp	4.3.15	Yes
Application	ntp	ntp	4.3.16	Yes
Application	ntp	ntp	4.3.17	Yes
Application	ntp	ntp	4.3.18	Yes
Application	ntp	ntp	4.3.19	Yes
Application	ntp	ntp	4.3.20	Yes
Application	ntp	ntp	4.3.21	Yes
Application	ntp	ntp	4.3.22	Yes
Application	ntp	ntp	4.3.23	Yes
Application	ntp	ntp	4.3.24	Yes
Application	ntp	ntp	4.3.25	Yes
Application	ntp	ntp	4.3.26	Yes
Application	ntp	ntp	4.3.27	Yes
Application	ntp	ntp	4.3.28	Yes
Application	ntp	ntp	4.3.29	Yes
Application	ntp	ntp	4.3.30	Yes
Application	ntp	ntp	4.3.31	Yes
Application	ntp	ntp	4.3.32	Yes
Application	ntp	ntp	4.3.33	Yes
Application	ntp	ntp	4.3.34	Yes
Application	ntp	ntp	4.3.35	Yes
Application	ntp	ntp	4.3.36	Yes
Application	ntp	ntp	4.3.37	Yes
Application	ntp	ntp	4.3.38	Yes
Application	ntp	ntp	4.3.39	Yes
Application	ntp	ntp	4.3.40	Yes
Application	ntp	ntp	4.3.41	Yes
Application	ntp	ntp	4.3.42	Yes
Application	ntp	ntp	4.3.43	Yes
Application	ntp	ntp	4.3.44	Yes
Application	ntp	ntp	4.3.45	Yes
Application	ntp	ntp	4.3.46	Yes
Application	ntp	ntp	4.3.47	Yes
Application	ntp	ntp	4.3.48	Yes
Application	ntp	ntp	4.3.49	Yes
Application	ntp	ntp	4.3.50	Yes
Application	ntp	ntp	4.3.51	Yes
Application	ntp	ntp	4.3.52	Yes
Application	ntp	ntp	4.3.53	Yes
Application	ntp	ntp	4.3.54	Yes
Application	ntp	ntp	4.3.55	Yes
Application	ntp	ntp	4.3.56	Yes
Application	ntp	ntp	4.3.57	Yes
Application	ntp	ntp	4.3.58	Yes
Application	ntp	ntp	4.3.59	Yes
Application	ntp	ntp	4.3.60	Yes
Application	ntp	ntp	4.3.61	Yes
Application	ntp	ntp	4.3.62	Yes
Application	ntp	ntp	4.3.63	Yes
Application	ntp	ntp	4.3.64	Yes
Application	ntp	ntp	4.3.65	Yes
Application	ntp	ntp	4.3.66	Yes
Application	ntp	ntp	4.3.67	Yes
Application	ntp	ntp	4.3.68	Yes
Application	ntp	ntp	4.3.69	Yes
Application	ntp	ntp	4.3.70	Yes
Application	ntp	ntp	4.3.71	Yes
Application	ntp	ntp	4.3.72	Yes
Application	ntp	ntp	4.3.73	Yes
Application	ntp	ntp	4.3.74	Yes
Application	ntp	ntp	4.3.75	Yes
Application	ntp	ntp	4.3.76	Yes
Application	ntp	ntp	4.3.77	Yes
Application	ntp	ntp	4.3.78	Yes
Application	ntp	ntp	4.3.79	Yes
Application	ntp	ntp	4.3.80	Yes
Application	ntp	ntp	4.3.81	Yes
Application	ntp	ntp	4.3.82	Yes
Application	ntp	ntp	4.3.83	Yes
Application	ntp	ntp	4.3.84	Yes
Application	ntp	ntp	4.3.85	Yes
Application	ntp	ntp	4.3.86	Yes
Application	ntp	ntp	4.3.87	Yes
Application	ntp	ntp	4.3.88	Yes
Application	ntp	ntp	4.3.89	Yes

References

http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00059.html Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00060.html Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00020.html Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00038.html Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00048.html Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.html Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-updates/2016-05/msg00114.html Third Party Advisory ([email protected])
http://support.ntp.org/bin/view/Main/NtpBug2937 Vendor Advisory ([email protected])
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160127-ntpd Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/81959 Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id/1034782 Third Party Advisory, VDB Entry ([email protected])
http://www.ubuntu.com/usn/USN-3096-1 Third Party Advisory ([email protected])
https://bto.bluecoat.com/security-advisory/sa113 Third Party Advisory ([email protected])
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03750en_us ([email protected])
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03766en_us ([email protected])
https://security.FreeBSD.org/advisories/FreeBSD-SA-16:09.ntp.asc ([email protected])
https://security.gentoo.org/glsa/201607-15 Third Party Advisory ([email protected])
https://security.netapp.com/advisory/ntap-20171031-0001/ ([email protected])
https://www.kb.cert.org/vuls/id/718152 Third Party Advisory, US Government Resource ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00059.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00060.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00020.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00038.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00048.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-updates/2016-05/msg00114.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://support.ntp.org/bin/view/Main/NtpBug2937 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160127-ntpd Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/81959 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1034782 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-3096-1 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bto.bluecoat.com/security-advisory/sa113 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03750en_us (af854a3a-2127-422b-91ae-364da2661108)
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03766en_us (af854a3a-2127-422b-91ae-364da2661108)
https://security.FreeBSD.org/advisories/FreeBSD-SA-16:09.ntp.asc (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201607-15 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.netapp.com/advisory/ntap-20171031-0001/ (af854a3a-2127-422b-91ae-364da2661108)
https://www.kb.cert.org/vuls/id/718152 Third Party Advisory, US Government Resource (af854a3a-2127-422b-91ae-364da2661108)