A vulnerability, which was classified as critical, was found in Apache KNOX up to 0.11.0. Affected is an unknown functionality of the component WebHDFS. The manipulation with an unknown input leads to a origin validation vulnerability. CWE is classifying the issue as CWE-346. The product does not properly verify that the source of data or communication is valid. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

For versions of Apache Knox from 0.2.0 to 0.11.0 - an authenticated user may use a specially crafted URL to impersonate another user while accessing WebHDFS through Apache Knox. This may result in escalated privileges and unauthorized data access. While this activity is audit logged and can be easily associated with the authenticated user, this is still a serious security issue. All users are recommended to upgrade to the Apache Knox 0.12.0 release.

The bug was discovered 05/26/2017. The weakness was disclosed 05/26/2017 (Website). The advisory is available at mail-archives.apache.org. This vulnerability is traded as CVE-2017-5646 since 01/29/2017. It is possible to launch the attack remotely. The successful exploitation needs a authentication. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 05/27/2017).

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

Productinfo

Vendor

• Apache

Name

• KNOX

Version

• 0.1
• 0.2
• 0.3
• 0.4
• 0.5
• 0.6
• 0.7
• 0.8
• 0.9
• 0.10
• 0.11

License

• open-source

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CPE 2.2info

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