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.
4.7	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in F5 BIG-IP up to 11.2.1/11.5.5/11.6.3.1/12.1.2/13.0.0. Affected is an unknown function of the component DIAMETER Handler. The manipulation leads to input validation. This vulnerability is traded as CVE-2018-5522. It is possible to launch the attack remotely. There is no exploit available. It is recommended to upgrade the affected component. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in F5 BIG-IP up to 11.2.1/11.5.5/11.6.3.1/12.1.2/13.0.0 (Firewall Software). This issue affects some unknown functionality of the component DIAMETER Handler. 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:

On F5 BIG-IP 13.0.0, 12.0.0-12.1.2, 11.6.1-11.6.3.1, 11.5.1-11.5.5, or 11.2.1, when processing DIAMETER transactions with carefully crafted attribute-value pairs, TMM may crash.

The bug was discovered 05/31/2018. The weakness was released 06/01/2018 (Website). It is possible to read the advisory at support.f5.com. The identification of this vulnerability is CVE-2018-5522 since 01/12/2018. 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 118610 (F5 Networks BIG-IP : TMM DIAMETER vulnerability (K54130510)), 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 371015 (F5 BIG-IP ASM TMM DIAMETER Profile Denial of Service Vulnerability (K54130510)).

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 databases at Tenable (118610) and SecurityFocus (BID 104384†). Entries connected to this vulnerability are available at VDB-118634, VDB-118633, VDB-118632 and VDB-118630. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Firewall Software

Vendor

• F5

Name

• BIG-IP

Version

• 11.2.0
• 11.2.1
• 11.5.0
• 11.5.1
• 11.5.2
• 11.5.3
• 11.5.4
• 11.5.5
• 11.6.3.0
• 11.6.3.1
• 12.1.0
• 12.1.1
• 12.1.2
• 13.0

License

• commercial

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.7

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

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: 118610
Nessus Name: F5 Networks BIG-IP : TMM DIAMETER vulnerability (K54130510)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/09/2017 🔍
01/12/2018 +156 days 🔍
05/31/2018 +139 days 🔍
06/01/2018 +0 days 🔍
06/01/2018 +0 days 🔍
06/02/2018 +1 days 🔍
06/05/2018 +3 days 🔍
11/02/2018 +150 days 🔍
03/19/2023 +1598 days 🔍

Sourcesinfo

Vendor: f5.com

Advisory: K54130510
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-5522 (🔍)
GCVE (CVE): GCVE-0-2018-5522
GCVE (VulDB): GCVE-100-118631
SecurityFocus: 104384 - Multiple F5 BIG-IP Products CVE-2018-5522 Remote Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 06/02/2018 08:18 PM
Updated: 03/19/2023 02:12 PM
Changes: 06/02/2018 08:18 PM (64), 02/11/2020 08:29 PM (10), 03/19/2023 02:12 PM (4)
Complete: 🔍
Cache ID: 18:93C:40

Discussion

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