Detections
Analytics
F5 Networks BIG-IP : NTP vulnerability (K17515)
medium Nessus Plugin ID 91330
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Synopsis
The remote device is missing a vendor-supplied security patch.Description
The decodenetnum function in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service (assertion failure) via a 6 or mode 7 packet containing a long data value. (CVE-2015-7855)Impact
A locally authenticated user may be able to disrupt ntpd functionality with a specially crafted packet.
Solution
Upgrade to one of the non-vulnerable versions listed in the F5 Solution K17515.See Also
Plugin Details
Severity: Medium
ID: 91330
File Name: f5_bigip_SOL17515.nasl
Version: 2.9
Type: local
Published: 5/26/2016
Updated: 1/4/2019
Configuration: Enable paranoid mode
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.4
CVSS v2
Risk Factor: Medium
Base Score: 4
Temporal Score: 3.1
Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:P
CVSS v3
Risk Factor: Medium
Base Score: 6.5
Temporal Score: 5.9
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
Vulnerability Information
CPE: cpe:/a:f5:big-ip_local_traffic_manager, cpe:/a:f5:big-ip_policy_enforcement_manager, cpe:/a:f5:big-ip_wan_optimization_manager, cpe:/a:f5:big-ip_webaccelerator, cpe:/h:f5:big-ip, cpe:/h:f5:big-ip_protocol_security_manager, cpe:/a:f5:big-ip_access_policy_manager, cpe:/a:f5:big-ip_advanced_firewall_manager, cpe:/a:f5:big-ip_application_acceleration_manager, cpe:/a:f5:big-ip_application_security_manager, cpe:/a:f5:big-ip_application_visibility_and_reporting, cpe:/a:f5:big-ip_global_traffic_manager, cpe:/a:f5:big-ip_link_controller
Required KB Items: Host/local_checks_enabled, Host/BIG-IP/hotfix, Host/BIG-IP/modules, Host/BIG-IP/version, Settings/ParanoidReport
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 11/2/2015
Reference Information
CVE: CVE-2015-7855