Buffer overflow in Ntp
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).
Vulnerability class: Buffer Overflow
EPSS: 0.006 (47.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Ntp — versions 4.3.0, 4.3.1, 4.3.2
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (x_refsource_CISCO, vendor-advisory, Third Party Advisory)
- cve@mitre.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_SUSE)
- cve@mitre.org (x_refsource_CONFIRM)
- cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_SUSE)
- cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_SUSE)
- cve@mitre.org (US Government Resource, x_refsource_CERT-VN, Third Party Advisory, third-party-advisory)
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_SUSE)
Frequently asked questions
- What is CVE-2015-7975?
- CVE-2015-7975 is a medium-severity vulnerability in Ntp, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.2/10. Published 2017-01-30.
- How severe is CVE-2015-7975?
- Medium severity. CVSS v3 base score is 6.2 out of 10.