CVE-2015-7975

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).

Category

6.2
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.57%
Vendor Advisory cisco.com Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory FreeBSD.org Vendor Advisory opensuse.org Vendor Advisory gentoo.org Vendor Advisory ntp.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160127-ntpd third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-3096-1 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00060.html third party advisory vendor advisory
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03766en_us
http://www.securityfocus.com/bid/81959 third party advisory vdb entry
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html third party advisory vendor advisory
http://www.securitytracker.com/id/1034782 third party advisory vdb entry
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00038.html third party advisory vendor advisory
https://www.kb.cert.org/vuls/id/718152 third party advisory us government resource
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00020.html third party advisory vendor advisory
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03750en_us
https://security.netapp.com/advisory/ntap-20171031-0001/
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00048.html third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.html third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00059.html third party advisory vendor advisory
http://support.ntp.org/bin/view/Main/NtpBug2937 vendor advisory
https://security.FreeBSD.org/advisories/FreeBSD-SA-16:09.ntp.asc vendor advisory
https://bto.bluecoat.com/security-advisory/sa113 third party advisory
http://lists.opensuse.org/opensuse-updates/2016-05/msg00114.html third party advisory vendor advisory
https://security.gentoo.org/glsa/201607-15 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2015-7975?
CVE-2015-7975 has been scored as a medium severity vulnerability.
How to fix CVE-2015-7975?
To fix CVE-2015-7975, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-7975 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2015-7975 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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