Dell EMC iDRAC Service Module 3.0.1/3.0.2/3.1.0/3.2.0 File Permission /etc/hosts access control

Summaryinfo

A vulnerability classified as critical was found in Dell EMC iDRAC Service Module 3.0.1/3.0.2/3.1.0/3.2.0. The affected element is an unknown function of the file /etc/hosts of the component File Permission. The manipulation results in access control. This vulnerability is cataloged as CVE-2018-11053. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Dell EMC iDRAC Service Module 3.0.1/3.0.2/3.1.0/3.2.0. It has been classified as critical. Affected is an unknown function of the file /etc/hosts of the component File Permission. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Dell EMC iDRAC Service Module for all supported Linux and XenServer versions v3.0.1, v3.0.2, v3.1.0, v3.2.0, when started, changes the default file permission of the hosts file of the host operating system (/etc/hosts) to world writable. A malicious low privileged operating system user or process could modify the host file and potentially redirect traffic from the intended destination to sites hosting malicious or unwanted content.

The bug was discovered 06/26/2018. The weakness was shared 06/26/2018 (Website). The advisory is available at dell.com. This vulnerability is traded as CVE-2018-11053 since 05/14/2018. It is possible to launch the attack remotely. The successful exploitation requires a authentication. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 02/22/2020). This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 371143 (Dell EMC iDRAC Service Module Improper File Permission Vulnerability).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 104567†). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

• Dell EMC

Name

• iDRAC Service Module

Version

• 3.0.1
• 3.0.2
• 3.1.0
• 3.2.0

License

• commercial

Website

• Vendor: https://www.dellemc.com/

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Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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