Vulnerability Details : CVE-2018-5517
On F5 BIG-IP 13.1.0-13.1.0.5, malformed TCP packets sent to a self IP address or a FastL4 virtual server may cause an interruption of service. The control plane is not exposed to this issue. This issue impacts the data plane virtual servers and self IPs.
Vulnerability category: Input validation
Products affected by CVE-2018-5517
- F5 » Big-ip Local Traffic ManagerVersions from including (>=) 13.1.0 and up to, including, (<=) 13.1.0.5cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:*
- F5 » Big-ip Global Traffic ManagerVersions from including (>=) 13.1.0 and up to, including, (<=) 13.1.0.5cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*
- F5 » Big-ip Application Security ManagerVersions from including (>=) 13.1.0 and up to, including, (<=) 13.1.0.5cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*
- F5 » Big-ip Access Policy ManagerVersions from including (>=) 13.1.0 and up to, including, (<=) 13.1.0.5cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*
- cpe:2.3:a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:*
- cpe:2.3:a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:*
- cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:*
- cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:*
- F5 » Big-ip Application Acceleration ManagerVersions from including (>=) 13.1.0 and up to, including, (<=) 13.1.0.5cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*
- F5 » Big-ip Advanced Firewall ManagerVersions from including (>=) 13.1.0 and up to, including, (<=) 13.1.0.5cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*
- F5 » Big-ip Policy Enforcement ManagerVersions from including (>=) 13.1.0 and up to, including, (<=) 13.1.0.5cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:*
- F5 » Big-ip Domain Name SystemVersions from including (>=) 13.1.0 and up to, including, (<=) 13.1.0.5cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*
- cpe:2.3:a:f5:big-ip_websafe:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-5517
0.75%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 71 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-5517
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2018-5517
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-5517
-
http://www.securitytracker.com/id/1040805
F5 BIG-IP TCP Processing Flaw in the TMM Kernel Lets Remote Users Deny Data Plane Service - SecurityTrackerThird Party Advisory;VDB Entry
-
https://support.f5.com/csp/article/K25573437
Vendor Advisory
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