Vulnerability 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).
CVSS Score
6.2
MEDIUM
CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ntp | Ntp | <= 4.2.8 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00059.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00060.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00020.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00038.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00048.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-updates/2016-05/msg00114.htmlThird Party Advisory
- http://support.ntp.org/bin/view/Main/NtpBug2937Vendor Advisory
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20Third Party Advisory
- http://www.securityfocus.com/bid/81959Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1034782Third Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-3096-1Third Party Advisory
- https://bto.bluecoat.com/security-advisory/sa113Third Party Advisory
- https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na
FAQ
What is CVE-2015-7975?
CVE-2015-7975 is a vulnerability with a CVSS score of 6.2 (MEDIUM). 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).
How severe is CVE-2015-7975?
CVE-2015-7975 has been rated MEDIUM with a CVSS base score of 6.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-7975?
Check the references section above for vendor advisories and patch information. Affected products include: Ntp Ntp.