Dell Storage Manager up to 2016 R2.1 doGet path traversal

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Dell Storage Manager up to 2016 R2.1. Affected by this vulnerability is the function doGet. The manipulation leads to path traversal. This vulnerability is traded as CVE-2017-10949. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Dell Storage Manager up to 2016 R2.1 and classified as problematic. This issue affects the function doGet. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality. The summary by CVE is:

Directory Traversal in Dell Storage Manager 2016 R2.1 causes Information Disclosure when the doGet method of the EmWebsiteServlet class doesn't properly validate user provided path before using it in file operations. Was ZDI-CAN-4459.

The bug was discovered 08/02/2017. The weakness was shared 08/04/2017 by rgod (Website). It is possible to read the advisory at topics-cdn.dell.com. The identification of this vulnerability is CVE-2017-10949 since 07/05/2017. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 01/07/2021). The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $5k-$25k.

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 100138†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• Dell

Name

• Storage Manager

Version

• 2016 R2.0
• 2016 R2.1

License

• commercial

Website

• Vendor: https://www.dell.com/

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Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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