CVE-2015-7975

medium

Description

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).

References

http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00059.html

http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00060.html

http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00020.html

http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00038.html

http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00048.html

http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html

http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.html

http://lists.opensuse.org/opensuse-updates/2016-05/msg00114.html

http://support.ntp.org/bin/view/Main/NtpBug2937

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160127-ntpd

http://www.securityfocus.com/bid/81959

http://www.securitytracker.com/id/1034782

http://www.ubuntu.com/usn/USN-3096-1

https://bto.bluecoat.com/security-advisory/sa113

https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03750en_us

https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03766en_us

https://security.FreeBSD.org/advisories/FreeBSD-SA-16:09.ntp.asc

https://security.gentoo.org/glsa/201607-15

https://security.netapp.com/advisory/ntap-20171031-0001/

https://www.kb.cert.org/vuls/id/718152

Details

Source: MITRE

Published: 2017-01-30

Updated: 2017-11-21

Type: CWE-119

Risk Information

CVSS v2

Base Score: 2.1

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

Impact Score: 2.9

Exploitability Score: 3.9

Severity: LOW

CVSS v3

Base Score: 6.2

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Impact Score: 3.6

Exploitability Score: 2.5

Severity: MEDIUM