F5 BIG-IP up to 11.5.4/11.6.1/12.1.0 Traffic Management Microkernel input validation

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.3 | $0-$5k | 0.00 |
Summary
A vulnerability described as critical has been identified in F5 BIG-IP up to 11.5.4/11.6.1/12.1.0. The affected element is an unknown function of the component Traffic Management Microkernel. Executing a manipulation can lead to input validation. This vulnerability is tracked as CVE-2016-7475. The attack can be launched remotely. No exploit exists. Upgrading the affected component is recommended.
Details
A vulnerability has been found in F5 BIG-IP up to 11.5.4/11.6.1/12.1.0 (Firewall Software) and classified as critical. This vulnerability affects an unknown code block of the component Traffic Management Microkernel. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. 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. As an impact it is known to affect availability. CVE summarizes:
Under some circumstances on BIG-IP 12.0.0-12.1.0, 11.6.0-11.6.1, or 11.4.0-11.5.4 HF1, the Traffic Management Microkernel (TMM) may not properly clean-up pool member network connections when using SPDY or HTTP/2 virtual server profiles.
The bug was discovered 03/15/2017. The weakness was disclosed 10/08/2018 (Website). The advisory is shared for download at support.f5.com. This vulnerability was named CVE-2016-7475 since 09/09/2016. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.
The vulnerability scanner Nessus provides a plugin with the ID 95374 (F5 Networks BIG-IP : BIG-IP SPDY and HTTP/2 profile vulnerability (K01587042)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family F5 Networks Local Security Checks and running in the context l.
Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (95374). VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://f5.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 7.3
VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Input validationCWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 95374
Nessus Name: F5 Networks BIG-IP : BIG-IP SPDY and HTTP/2 profile vulnerability (K01587042)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 800325
OpenVAS Name: F5 BIG-IP - SOL01587042 - BIG-IP SPDY and HTTP/2 profile vulnerability CVE-2016-7475
OpenVAS File: 🔍
OpenVAS Family: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
09/09/2016 🔍11/27/2016 🔍
11/29/2016 🔍
03/15/2017 🔍
10/08/2018 🔍
10/08/2018 🔍
10/09/2018 🔍
05/23/2023 🔍
Sources
Vendor: f5.comAdvisory: K01587042
Status: Not defined
Confirmation: 🔍
CVE: CVE-2016-7475 (🔍)
GCVE (CVE): GCVE-0-2016-7475
GCVE (VulDB): GCVE-100-125032
Entry
Created: 10/09/2018 08:21Updated: 05/23/2023 08:42
Changes: 10/09/2018 08:21 (69), 03/31/2020 14:33 (2), 05/23/2023 08:42 (4)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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