F5 BIG-IP Traffic Management Microkernel input validation

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.5$0-$5k0.00

Summaryinfo

A vulnerability was found in F5 BIG-IP. It has been rated as problematic. The affected element is an unknown function of the component Traffic Management Microkernel. The manipulation leads to input validation. This vulnerability is listed as CVE-2016-9247. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in F5 BIG-IP (Firewall Software) (version unknown). This issue affects an unknown function of the component Traffic Management Microkernel. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability. The summary by CVE is:

Under certain conditions for BIG-IP systems using a virtual server with an associated FastL4 profile and TCP analytics profile, a specific sequence of packets may cause the Traffic Management Microkernel (TMM) to restart.

The bug was discovered 12/15/2016. The weakness was presented 01/10/2017 (Website). It is possible to read the advisory at securityfocus.com. The identification of this vulnerability is CVE-2016-9247 since 11/09/2016. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 95900 (F5 Networks BIG-IP : TMM vulnerability (K33500120)), 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 before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (95900) and SecurityFocus (BID 95405†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: 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-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 95900
Nessus Name: F5 Networks BIG-IP : TMM vulnerability (K33500120)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 800325
OpenVAS Name: F5 BIG-IP - TMM vulnerability CVE-2016-9247
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/09/2016 🔍
12/15/2016 +36 days 🔍
12/15/2016 +0 days 🔍
12/15/2016 +0 days 🔍
12/16/2016 +1 days 🔍
01/10/2017 +25 days 🔍
01/10/2017 +0 days 🔍
01/11/2017 +1 days 🔍
04/20/2025 +3021 days 🔍

Sourcesinfo

Vendor: f5.com

Advisory: K33500120⛔
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-9247 (🔍)
GCVE (CVE): GCVE-0-2016-9247
GCVE (VulDB): GCVE-100-95123
SecurityFocus: 95405 - Multiple F5 BIG-IP Products CVE-2016-9247 Denial of Service Vulnerability
OSVDB: - CVE-2016-9247 - BIG-IP - Denial of Service Issue
SecurityTracker: 1037581

Entryinfo

Created: 01/11/2017 09:37
Updated: 04/20/2025 14:23
Changes: 01/11/2017 09:37 (75), 10/28/2022 08:32 (5), 04/20/2025 14:23 (17)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you need the next level of professionalism?

Upgrade your account now!