Improper input validation in Ntp
CVE-2015-8138
NTP before 4.2.8p6 and 4.3.x before 4.3.90 allows remote attackers to bypass the origin timestamp validation via a packet with an origin timestamp set to zero.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.063 (92.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
Affected products
- Ntp — versions 4.3.0, 4.3.1, 4.3.2
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
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 (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- cve@mitre.org (x_refsource_CONFIRM)
- 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-2015-8138?
- CVE-2015-8138 is a medium-severity vulnerability in Ntp, classified under Improper Input Validation. CVSS score: 5.3/10. Published 2017-01-30.
- How severe is CVE-2015-8138?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2015-8138 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.