CVE-2015-7975

Severity Score

6.2

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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).

La función nextvar en NTP en versiones anteriores a 4.2.8p6 y 4.3.x en versiones anteriores a 4.3.90 no valida correctamente la longitud de su entrada, lo que permite a un atacante provocar una denegación de servicio (caída de la aplicación).

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2015-10-23 CVE Reserved
2016-01-27 CVE Published
2024-01-03 EPSS Updated
2024-08-06 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

CAPEC

References (20)

URL	Tag	Source
http://www.securityfocus.com/bid/81959	Third Party Advisory
http://www.securitytracker.com/id/1034782	Third Party Advisory
https://bto.bluecoat.com/security-advisory/sa113	Third Party Advisory
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03750en_us	X_refsource_confirm
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03766en_us	X_refsource_confirm
https://security.netapp.com/advisory/ntap-20171031-0001	X_refsource_confirm
https://www.kb.cert.org/vuls/id/718152	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00059.html	2017-11-21
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00060.html	2017-11-21
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00020.html	2017-11-21
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00038.html	2017-11-21
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00048.html	2017-11-21
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html	2017-11-21
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.html	2017-11-21
http://lists.opensuse.org/opensuse-updates/2016-05/msg00114.html	2017-11-21
http://support.ntp.org/bin/view/Main/NtpBug2937	2017-11-21
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160127-ntpd	2017-11-21
http://www.ubuntu.com/usn/USN-3096-1	2017-11-21
https://security.FreeBSD.org/advisories/FreeBSD-SA-16:09.ntp.asc	2017-11-21
https://security.gentoo.org/glsa/201607-15	2017-11-21

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				<= 4.2.8 Search vendor "Ntp" for product "Ntp" and version " <= 4.2.8"		p5		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.0 Search vendor "Ntp" for product "Ntp" and version "4.3.0"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.1 Search vendor "Ntp" for product "Ntp" and version "4.3.1"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.2 Search vendor "Ntp" for product "Ntp" and version "4.3.2"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.3 Search vendor "Ntp" for product "Ntp" and version "4.3.3"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.4 Search vendor "Ntp" for product "Ntp" and version "4.3.4"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.5 Search vendor "Ntp" for product "Ntp" and version "4.3.5"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.6 Search vendor "Ntp" for product "Ntp" and version "4.3.6"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.7 Search vendor "Ntp" for product "Ntp" and version "4.3.7"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.8 Search vendor "Ntp" for product "Ntp" and version "4.3.8"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.10 Search vendor "Ntp" for product "Ntp" and version "4.3.10"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.11 Search vendor "Ntp" for product "Ntp" and version "4.3.11"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.12 Search vendor "Ntp" for product "Ntp" and version "4.3.12"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.13 Search vendor "Ntp" for product "Ntp" and version "4.3.13"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.14 Search vendor "Ntp" for product "Ntp" and version "4.3.14"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.15 Search vendor "Ntp" for product "Ntp" and version "4.3.15"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.16 Search vendor "Ntp" for product "Ntp" and version "4.3.16"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.17 Search vendor "Ntp" for product "Ntp" and version "4.3.17"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.18 Search vendor "Ntp" for product "Ntp" and version "4.3.18"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.19 Search vendor "Ntp" for product "Ntp" and version "4.3.19"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.20 Search vendor "Ntp" for product "Ntp" and version "4.3.20"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.21 Search vendor "Ntp" for product "Ntp" and version "4.3.21"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.22 Search vendor "Ntp" for product "Ntp" and version "4.3.22"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.23 Search vendor "Ntp" for product "Ntp" and version "4.3.23"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.24 Search vendor "Ntp" for product "Ntp" and version "4.3.24"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.25 Search vendor "Ntp" for product "Ntp" and version "4.3.25"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.26 Search vendor "Ntp" for product "Ntp" and version "4.3.26"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.27 Search vendor "Ntp" for product "Ntp" and version "4.3.27"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.28 Search vendor "Ntp" for product "Ntp" and version "4.3.28"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.29 Search vendor "Ntp" for product "Ntp" and version "4.3.29"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.30 Search vendor "Ntp" for product "Ntp" and version "4.3.30"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.31 Search vendor "Ntp" for product "Ntp" and version "4.3.31"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.32 Search vendor "Ntp" for product "Ntp" and version "4.3.32"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.33 Search vendor "Ntp" for product "Ntp" and version "4.3.33"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.34 Search vendor "Ntp" for product "Ntp" and version "4.3.34"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.35 Search vendor "Ntp" for product "Ntp" and version "4.3.35"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.36 Search vendor "Ntp" for product "Ntp" and version "4.3.36"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.37 Search vendor "Ntp" for product "Ntp" and version "4.3.37"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.38 Search vendor "Ntp" for product "Ntp" and version "4.3.38"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.39 Search vendor "Ntp" for product "Ntp" and version "4.3.39"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.40 Search vendor "Ntp" for product "Ntp" and version "4.3.40"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.41 Search vendor "Ntp" for product "Ntp" and version "4.3.41"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.42 Search vendor "Ntp" for product "Ntp" and version "4.3.42"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.43 Search vendor "Ntp" for product "Ntp" and version "4.3.43"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.44 Search vendor "Ntp" for product "Ntp" and version "4.3.44"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.45 Search vendor "Ntp" for product "Ntp" and version "4.3.45"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.46 Search vendor "Ntp" for product "Ntp" and version "4.3.46"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.47 Search vendor "Ntp" for product "Ntp" and version "4.3.47"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.48 Search vendor "Ntp" for product "Ntp" and version "4.3.48"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.49 Search vendor "Ntp" for product "Ntp" and version "4.3.49"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.50 Search vendor "Ntp" for product "Ntp" and version "4.3.50"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.51 Search vendor "Ntp" for product "Ntp" and version "4.3.51"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.52 Search vendor "Ntp" for product "Ntp" and version "4.3.52"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.53 Search vendor "Ntp" for product "Ntp" and version "4.3.53"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.54 Search vendor "Ntp" for product "Ntp" and version "4.3.54"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.55 Search vendor "Ntp" for product "Ntp" and version "4.3.55"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.56 Search vendor "Ntp" for product "Ntp" and version "4.3.56"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.57 Search vendor "Ntp" for product "Ntp" and version "4.3.57"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.58 Search vendor "Ntp" for product "Ntp" and version "4.3.58"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.59 Search vendor "Ntp" for product "Ntp" and version "4.3.59"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.60 Search vendor "Ntp" for product "Ntp" and version "4.3.60"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.61 Search vendor "Ntp" for product "Ntp" and version "4.3.61"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.62 Search vendor "Ntp" for product "Ntp" and version "4.3.62"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.63 Search vendor "Ntp" for product "Ntp" and version "4.3.63"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.64 Search vendor "Ntp" for product "Ntp" and version "4.3.64"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.65 Search vendor "Ntp" for product "Ntp" and version "4.3.65"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.66 Search vendor "Ntp" for product "Ntp" and version "4.3.66"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.67 Search vendor "Ntp" for product "Ntp" and version "4.3.67"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.68 Search vendor "Ntp" for product "Ntp" and version "4.3.68"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.69 Search vendor "Ntp" for product "Ntp" and version "4.3.69"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.70 Search vendor "Ntp" for product "Ntp" and version "4.3.70"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.71 Search vendor "Ntp" for product "Ntp" and version "4.3.71"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.72 Search vendor "Ntp" for product "Ntp" and version "4.3.72"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.73 Search vendor "Ntp" for product "Ntp" and version "4.3.73"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.74 Search vendor "Ntp" for product "Ntp" and version "4.3.74"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.75 Search vendor "Ntp" for product "Ntp" and version "4.3.75"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.76 Search vendor "Ntp" for product "Ntp" and version "4.3.76"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.77 Search vendor "Ntp" for product "Ntp" and version "4.3.77"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.78 Search vendor "Ntp" for product "Ntp" and version "4.3.78"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.79 Search vendor "Ntp" for product "Ntp" and version "4.3.79"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.80 Search vendor "Ntp" for product "Ntp" and version "4.3.80"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.81 Search vendor "Ntp" for product "Ntp" and version "4.3.81"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.82 Search vendor "Ntp" for product "Ntp" and version "4.3.82"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.83 Search vendor "Ntp" for product "Ntp" and version "4.3.83"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.84 Search vendor "Ntp" for product "Ntp" and version "4.3.84"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.85 Search vendor "Ntp" for product "Ntp" and version "4.3.85"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.86 Search vendor "Ntp" for product "Ntp" and version "4.3.86"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.87 Search vendor "Ntp" for product "Ntp" and version "4.3.87"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.88 Search vendor "Ntp" for product "Ntp" and version "4.3.88"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.3.89 Search vendor "Ntp" for product "Ntp" and version "4.3.89"		-		Affected