F5 BIG-IP up to 13.0.0/13.1.0.3 TMUI access control

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.03

A vulnerability was found in F5 BIG-IP up to 13.0.0/13.1.0.3 (Firewall Software) and classified as critical. Affected by this issue is an unknown code of the component TMUI. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. CVE summarizes:

On F5 BIG-IP 13.1.0-13.1.0.3 or 13.0.0, when authenticated administrative users execute commands in the Traffic Management User Interface (TMUI), also referred to as the BIG-IP Configuration utility, restrictions on allowed commands may not be enforced.

The bug was discovered 04/13/2018. The weakness was shared 04/13/2018 (Website). The advisory is shared for download at support.f5.com. This vulnerability is handled as CVE-2018-5511 since 01/12/2018. The attack may be launched remotely. A simple authentication is needed for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability scanner Nessus provides a plugin with the ID 118651 (F5 Networks BIG-IP : TMUI vulnerability (K30500703)), 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 370895 (F5 BIG-IP ASM TMUI Authenticated Privilege Escalation Vulnerability (K30500703)).

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 vulnerability database at Tenable (118651). The entries 116203, 116201 and 116200 are related to this item.

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CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.6

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.2
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CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
ATT&CK: T1068

Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept
Download: 🔍

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Nessus ID: 118651
Nessus Name: F5 Networks BIG-IP : TMUI vulnerability (K30500703)
Nessus File: 🔍
Nessus Risk: 🔍
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Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/12/2018 🔍
04/12/2018 +90 days 🔍
04/13/2018 +0 days 🔍
04/13/2018 +0 days 🔍
04/13/2018 +0 days 🔍
04/16/2018 +3 days 🔍
11/02/2018 +200 days 🔍
02/28/2023 +1579 days 🔍

Sourcesinfo

Vendor: f5.com

Advisory: K30500703
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-5511 (🔍)
See also: 🔍

Entryinfo

Created: 04/16/2018 09:38
Updated: 02/28/2023 08:54
Changes: 04/16/2018 09:38 (63), 01/25/2020 08:33 (8), 02/10/2021 07:31 (2), 02/28/2023 08:54 (3)
Complete: 🔍

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