F5 BIG-IP up to 11.5.4/11.6.1/12.1.2/13.0.0 Traffic Management Microkernel TLS1.2 Record input validation

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6.7	$0-$5k	0.00

A vulnerability, which was classified as critical, has been found in F5 BIG-IP up to 11.5.4/11.6.1/12.1.2/13.0.0 (Firewall Software). Affected by this issue is an unknown code block of the component Traffic Management Microkernel. The manipulation as part of a TLS1.2 Record 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 confidentiality, integrity, and availability. CVE summarizes:

In F5 BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, Edge Gateway, GTM, Link Controller, PEM, WebAccelerator and WebSafe software version 13.0.0, 12.0.0 - 12.1.2, 11.6.0 - 11.6.1 and 11.5.0 - 11.5.4, in some circumstances, Traffic Management Microkernel (TMM) does not properly handle certain malformed TLS1.2 records, which allows remote attackers to cause a denial-of-service (DoS) or possible remote command execution on the BIG-IP system.

The bug was discovered 12/20/2017. The weakness was published 12/21/2017 (Website). The advisory is available at support.f5.com. This vulnerability is handled as CVE-2017-6164 since 02/21/2017. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 118598 (F5 Networks BIG-IP : TLS vulnerability (K02714910)), 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 vulnerability database at Tenable (118598). Similar entries are available at 110991, 110989, 110988 and 110986.

Productinfo

Type

Firewall Software

Vendor

Name

BIG-IP

Version

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.7

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.1
NVD Vector: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 118598
Nessus Name: F5 Networks BIG-IP : TLS vulnerability (K02714910)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/21/2017 🔍
12/20/2017 +302 days 🔍
12/20/2017 +0 days 🔍
12/21/2017 +1 days 🔍
12/21/2017 +0 days 🔍
12/22/2017 +1 days 🔍
11/02/2018 +315 days 🔍
01/18/2023 +1538 days 🔍

Sourcesinfo

Vendor: f5.com

Advisory: K02714910
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-6164 (🔍)
SecurityTracker: 1040054

See also: 🔍

Entryinfo

Created: 12/22/2017 08:22
Updated: 01/18/2023 18:27
Changes: 12/22/2017 08:22 (62), 12/17/2019 12:01 (8), 01/28/2021 07:14 (3), 01/18/2023 18:27 (3)
Complete: 🔍