Dell Dock Firmware Update Utilities uncontrolled search path

Summaryinfo

A vulnerability was found in Dell Dock Firmware Update Utilities. It has been declared as critical. Affected by this vulnerability is an unknown functionality. Such manipulation leads to uncontrolled search path. This vulnerability is uniquely identified as CVE-2020-5357. Local access is required to approach this attack. No exploit exists.

Detailsinfo

A vulnerability was found in Dell Dock Firmware Update Utilities (Firmware Software) (version now known). It has been rated as critical. Affected by this issue is some unknown processing. The manipulation with an unknown input leads to a uncontrolled search path vulnerability. Using CWE to declare the problem leads to CWE-427. The product uses a fixed or controlled search path to find resources, but one or more locations in that path can be under the control of unintended actors. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Dell Dock Firmware Update Utilities for Dell Client Consumer and Commercial docking stations contain an Arbitrary File Overwrite vulnerability. The vulnerability is limited to the Dell Dock Firmware Update Utilities during the time window while being executed by an administrator. During this time window, a locally authenticated low-privileged malicious user could exploit this vulnerability by tricking an administrator into overwriting arbitrary files via a symlink attack. The vulnerability does not affect the actual binary payload that the update utility delivers.

The weakness was disclosed 05/28/2020. This vulnerability is handled as CVE-2020-5357 since 01/03/2020. The attack needs to be approached locally. Required for exploitation is a simple authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 05/29/2020). The MITRE ATT&CK project declares the attack technique as T1574.

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

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Firmware Software

Vendor

• Dell

Name

• Dock Firmware Update Utilities

License

• commercial

Website

• Vendor: https://www.dell.com/

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion