F5 BIG-IP up to 12.1.3.7/13.1.1.1/14.0.0.2 Traffic Management Microkernel Bomb 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.
6.3	$0-$5k	0.00

Summaryinfo

A vulnerability described as problematic has been identified in F5 BIG-IP up to 12.1.3.7/13.1.1.1/14.0.0.2. This affects an unknown function of the component Traffic Management Microkernel. Executing a manipulation can lead to input validation (Bomb). The identification of this vulnerability is CVE-2018-15330. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic was found in F5 BIG-IP up to 12.1.3.7/13.1.1.1/14.0.0.2 (Firewall Software). 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 (Bomb). 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:

On BIG-IP 14.0.0-14.0.0.2, 13.0.0-13.1.1.1, or 12.1.0-12.1.3.7, when a virtual server using the inflate functionality to process a gzip bomb as a payload, the BIG-IP system will experience a fatal error and may cause the Traffic Management Microkernel (TMM) to produce a core file.

The bug was discovered 12/21/2018. The weakness was shared 12/20/2018 (Website). The advisory is shared for download at support.f5.com. This vulnerability was named CVE-2018-15330 since 08/14/2018. 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 119818 (F5 Networks BIG-IP : TMM vulnerability (K23328310)), 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 vulnerability database at Tenable (119818). The entry VDB-128223 is related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Firewall Software

Vendor

Name

BIG-IP

Version

License

commercial

Website

Vendor: https://f5.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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

Name: Bomb
Class: Input validation / Bomb
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-Day	Unlock	Unlock	Unlock	Unlock
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Nessus ID: 119818
Nessus Name: F5 Networks BIG-IP : TMM vulnerability (K23328310)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

08/14/2018 🔍
12/20/2018 +128 days 🔍
12/20/2018 +0 days 🔍
12/20/2018 +0 days 🔍
12/21/2018 +1 days 🔍
12/21/2018 +0 days 🔍
12/21/2018 +0 days 🔍
06/20/2023 +1642 days 🔍

Sourcesinfo

Vendor: f5.com

Advisory: K23328310
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-15330 (🔍)
GCVE (CVE): GCVE-0-2018-15330
GCVE (VulDB): GCVE-100-128224
See also: 🔍

Entryinfo

Created: 12/21/2018 12:13
Updated: 06/20/2023 11:36
Changes: 12/21/2018 12:13 (65), 04/22/2020 18:10 (4), 06/20/2023 11:36 (4)
Complete: 🔍
Cache ID: 216::103

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