CVE-2015-7975
UnknownEPSS 0.63%
Last modified
CVE-2015-7975 is a vulnerability of currently unknown severity. 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).. EPSS estimates a 0.63% chance of exploitation in the next 30 days.
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).
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Ntp | Ntp | <= 4.2.8 | P5 |
| Ntp | Ntp | 4.3.0 | — |
| Ntp | Ntp | 4.3.1 | — |
| Ntp | Ntp | 4.3.2 | — |
| Ntp | Ntp | 4.3.3 | — |
| Ntp | Ntp | 4.3.4 | — |
| Ntp | Ntp | 4.3.5 | — |
| Ntp | Ntp | 4.3.6 | — |
| Ntp | Ntp | 4.3.7 | — |
| Ntp | Ntp | 4.3.8 | — |
| Ntp | Ntp | 4.3.10 | — |
| Ntp | Ntp | 4.3.11 | — |
| Ntp | Ntp | 4.3.12 | — |
| Ntp | Ntp | 4.3.13 | — |
| Ntp | Ntp | 4.3.14 | — |
| Ntp | Ntp | 4.3.15 | — |
| Ntp | Ntp | 4.3.16 | — |
| Ntp | Ntp | 4.3.17 | — |
| Ntp | Ntp | 4.3.18 | — |
| Ntp | Ntp | 4.3.19 | — |
| Ntp | Ntp | 4.3.20 | — |
| Ntp | Ntp | 4.3.21 | — |
| Ntp | Ntp | 4.3.22 | — |
| Ntp | Ntp | 4.3.23 | — |
| Ntp | Ntp | 4.3.24 | — |
| Ntp | Ntp | 4.3.25 | — |
| Ntp | Ntp | 4.3.26 | — |
| Ntp | Ntp | 4.3.27 | — |
| Ntp | Ntp | 4.3.28 | — |
| Ntp | Ntp | 4.3.29 | — |
| Ntp | Ntp | 4.3.30 | — |
| Ntp | Ntp | 4.3.31 | — |
| Ntp | Ntp | 4.3.32 | — |
| Ntp | Ntp | 4.3.33 | — |
| Ntp | Ntp | 4.3.34 | — |
| Ntp | Ntp | 4.3.35 | — |
| Ntp | Ntp | 4.3.36 | — |
| Ntp | Ntp | 4.3.37 | — |
| Ntp | Ntp | 4.3.38 | — |
| Ntp | Ntp | 4.3.39 | — |
| Ntp | Ntp | 4.3.40 | — |
| Ntp | Ntp | 4.3.41 | — |
| Ntp | Ntp | 4.3.42 | — |
| Ntp | Ntp | 4.3.43 | — |
| Ntp | Ntp | 4.3.44 | — |
| Ntp | Ntp | 4.3.45 | — |
| Ntp | Ntp | 4.3.46 | — |
| Ntp | Ntp | 4.3.47 | — |
| Ntp | Ntp | 4.3.48 | — |
| Ntp | Ntp | 4.3.49 | — |
Showing 50 of 90 affected configurations. See NVD for the full list.
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://www.securityfocus.com/bid/81959Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1034782Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-3096-1Third Party Advisory
- https://bto.bluecoat.com/security-advisory/sa113Third Party Advisory
- https://security.gentoo.org/glsa/201607-15Third Party Advisory
- https://www.kb.cert.org/vuls/id/718152Third Party Advisory, US Government Resource
- 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://www.securityfocus.com/bid/81959Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1034782Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-3096-1Third Party Advisory
- https://bto.bluecoat.com/security-advisory/sa113Third Party Advisory
- https://security.gentoo.org/glsa/201607-15Third Party Advisory
- https://www.kb.cert.org/vuls/id/718152Third Party Advisory, US Government Resource
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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).
How severe is CVE-2015-7975?
Severity scoring for CVE-2015-7975 is pending analysis. The EPSS model estimates a 0.63% probability of exploitation in the next 30 days.
How do I fix CVE-2015-7975?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2015-7975?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST