F5 BIG-IP DNS up to 12.1.3.5/13.1.0.7 DNS Message 7pk security

CVSS Meta Temp Score
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CTI Interest Score
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3.6$0-$5k0.00

Summaryinfo

A vulnerability was found in F5 BIG-IP DNS up to 12.1.3.5/13.1.0.7 and classified as problematic. This affects an unknown function of the component DNS Message Handler. The manipulation results in 7pk security. This vulnerability is identified as CVE-2018-5538. The attack can be executed remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in F5 BIG-IP DNS up to 12.1.3.5/13.1.0.7 (Firewall Software). Affected is an unknown code of the component DNS Message Handler. The manipulation with an unknown input leads to a 7pk security vulnerability. CWE is classifying the issue as CWE-254. This is going to have an impact on integrity. CVE summarizes:

On F5 BIG-IP DNS 13.1.0-13.1.0.7, 12.1.3-12.1.3.5, DNS Express / DNS Zones accept NOTIFY messages on the management interface from source IP addresses not listed in the 'Allow NOTIFY From' configuration parameter when the db variable "dnsexpress.notifyport" is set to any value other than the default of "0".

The bug was discovered 07/25/2018. The weakness was released 07/25/2018 (Website). The advisory is shared for download at support.f5.com. This vulnerability is traded as CVE-2018-5538 since 01/11/2018. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1211.

The vulnerability scanner Nessus provides a plugin with the ID 118666 (F5 Networks BIG-IP : DNS Express vulnerability (K45435121)), 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 even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (118666). Once again VulDB remains the best source for vulnerability data.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.7

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

NVD Base Score: 3.7
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: 7pk security
CWE: CWE-254
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: 118666
Nessus Name: F5 Networks BIG-IP : DNS Express vulnerability (K45435121)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/11/2018 🔍
07/24/2018 +193 days 🔍
07/25/2018 +0 days 🔍
07/25/2018 +0 days 🔍
07/25/2018 +0 days 🔍
07/26/2018 +1 days 🔍
11/02/2018 +99 days 🔍
04/25/2023 +1635 days 🔍

Sourcesinfo

Vendor: f5.com

Advisory: K45435121
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-5538 (🔍)
GCVE (CVE): GCVE-0-2018-5538
GCVE (VulDB): GCVE-100-122196

Entryinfo

Created: 07/26/2018 07:52
Updated: 04/25/2023 17:25
Changes: 07/26/2018 07:52 (62), 03/10/2020 10:50 (4), 04/25/2023 17:25 (3)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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