Dell EMC OpenManage Server Administrator up to 9.4 Web API API Request path traversal

Summaryinfo

A vulnerability was found in Dell EMC OpenManage Server Administrator up to 9.4. It has been rated as critical. Impacted is an unknown function of the component Web API. The manipulation as part of API Request leads to path traversal. This vulnerability is documented as CVE-2020-5377. The attack can be initiated remotely. Additionally, an exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Dell EMC OpenManage Server Administrator up to 9.4. This issue affects an unknown function of the component Web API. The manipulation as part of a API Request 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, integrity, and availability. The summary by CVE is:

Dell EMC OpenManage Server Administrator (OMSA) versions 9.4 and prior contain multiple path traversal vulnerabilities. An unauthenticated remote attacker could potentially exploit these vulnerabilities by sending a crafted Web API request containing directory traversal character sequences to gain file system access on the compromised management station.

The weakness was released 07/28/2020 (Website). It is possible to read the advisory at dell.com. The identification of this vulnerability is CVE-2020-5377 since 01/03/2020. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are unknown but a public exploit is available. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $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 Exploit-DB (49750). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• Dell EMC

Name

• OpenManage Server Administrator

Version

• 9.0
• 9.1
• 9.2
• 9.3
• 9.4

License

• commercial

Website

• Vendor: https://www.dellemc.com/

CPE 2.3info

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CPE 2.2info

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Entryinfo

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

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