Improper input validation in Freebsd
CVE-2016-9042
An exploitable denial of service vulnerability exists in the origin timestamp check functionality of ntpd 4.2.8p9. A specially crafted unauthenticated network packet can be used to reset the expected origin timestamp for target peers. Legi…
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.040 (89.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Freebsd — versions 10.0, 11.0
- Hpe Hpux-ntp
- Ntp — versions 4.2.8
- Siemens Simatic_net_cp_443-1_opc_ua
- Siemens Simatic_net_cp_443-1_opc_ua_firmware
- Talos Network Time Protocol — versions NTP 4.2.8p9
Weakness classification (CWE)
Public proof-of-concept exploits
References
- talos-cna@cisco.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- talos-cna@cisco.com (x_refsource_FREEBSD, vendor-advisory, Third Party Advisory)
- talos-cna@cisco.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- talos-cna@cisco.com (Permissions Required, VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- talos-cna@cisco.com (x_refsource_UBUNTU, vendor-advisory)
- talos-cna@cisco.com (mailing-list, x_refsource_BUGTRAQ)
- talos-cna@cisco.com (mailing-list, x_refsource_FULLDISC)
- talos-cna@cisco.com (mailing-list, x_refsource_BUGTRAQ)
- talos-cna@cisco.com (vendor-advisory, x_refsource_FEDORA)
- talos-cna@cisco.com (mailing-list, x_refsource_FULLDISC)
Frequently asked questions
- What is CVE-2016-9042?
- CVE-2016-9042 is a medium-severity vulnerability in Freebsd, classified under Improper Input Validation. CVSS score: 5.9/10. Published 2018-06-04.
- How severe is CVE-2016-9042?
- Medium severity. CVSS v3 base score is 5.9 out of 10.
- Is CVE-2016-9042 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.