A vulnerability was found in Huawei FusionSphere OpenStack (Cloud Software) (the affected version unknown). It has been declared as critical. This vulnerability affects an unknown part. The manipulation with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

FusionSphere OpenStack V100R006C00SPC102(NFV)has a path traversal vulnerability. Due to insufficient path validation, an attacker with high privilege may exploit this vulnerability to cover some files, causing services abnormal.

The bug was discovered 11/16/2017. The weakness was shared 11/22/2017 (Website). The advisory is shared for download at huawei.com. This vulnerability was named CVE-2017-8189 since 04/25/2017. The exploitation appears to be easy. The attack needs to be approached locally. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1006.

The vulnerability was handled as a non-public zero-day exploit for at least 6 days. During that time the estimated underground price was around $0-$5k.

Upgrading eliminates this vulnerability.

The entries 109923, 109925, 109926 and 114812 are related to this item.

Productinfo

Type

• Cloud Software

Vendor

• Huawei

Name

• FusionSphere OpenStack

License

• commercial

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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