F5 BIG-IP up to 11.4.1/11.6.0 Traffic Management Microkernel TCP Packet input validation

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in F5 BIG-IP up to 11.4.1/11.6.0. This vulnerability affects unknown code of the component Traffic Management Microkernel. Performing a manipulation as part of TCP Packet results in input validation. This vulnerability is identified as CVE-2016-7476. The attack can be initiated remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in F5 BIG-IP up to 11.4.1/11.6.0 (Firewall Software). This affects an unknown functionality of the component Traffic Management Microkernel. The manipulation as part of a TCP Packet leads to a input validation vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability.

The bug was discovered 11/10/2016. The weakness was released 11/10/2016 as 531576 / SOL87416818 as confirmed knowledge base article (Website). It is possible to read the advisory at support.f5.com. This vulnerability is uniquely identified as CVE-2016-7476 since 09/09/2016. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 94687 (F5 Networks BIG-IP : TMM vulnerability (K87416818)), 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 immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (94687), SecurityFocus (BID 94353†) and SecurityTracker (ID 1037274†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB 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: 🔍

CVSSv2info

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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: 🔍

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Nessus ID: 94687
Nessus Name: F5 Networks BIG-IP : TMM vulnerability (K87416818)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 800325
OpenVAS Name: F5 BIG-IP - SOL87416818 - TMM vulnerability CVE-2016-7476
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

09/09/2016 🔍
11/10/2016 +62 days 🔍
11/10/2016 +0 days 🔍
11/10/2016 +0 days 🔍
11/10/2016 +0 days 🔍
11/11/2016 +1 days 🔍
11/11/2016 +0 days 🔍
11/12/2016 +1 days 🔍
05/11/2017 +180 days 🔍
05/30/2019 +749 days 🔍

Sourcesinfo

Vendor: f5.com

Advisory: 531576 / SOL87416818
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-7476 (🔍)
GCVE (CVE): GCVE-0-2016-7476
GCVE (VulDB): GCVE-100-93591
SecurityFocus: 94353 - Multiple F5 BIG-IP Products CVE-2016-7476 Denial of Service Vulnerability
SecurityTracker: 1037274

Entryinfo

Created: 11/12/2016 10:17
Updated: 05/30/2019 16:09
Changes: 11/12/2016 10:17 (67), 05/30/2019 16:09 (14)
Complete: 🔍
Cache ID: 216:017:103

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