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CVE
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CVE-2017-9792Date: (C)2017-10-04   (M)2018-02-19


In Apache Impala (incubating) before 2.10.0, a malicious user with "ALTER" permissions on an Impala table can access any other Kudu table data by altering the table properties to make it "external" and then changing the underlying table mapping to point to other Kudu tables. This violates and works around the authorization requirement that creating a Kudu external table via Impala requires an "ALL" privilege at the server scope. This privilege requirement for "CREATE" commands is enforced to precisely avoid this scenario where a malicious user can change the underlying Kudu table mapping. The fix is to enforce the same privilege requirement for "ALTER" commands that would make existing non-external Kudu tables external.

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score  : 6.5CVSS Score  : 4.0
Exploit Score: 2.8Exploit Score: 8.0
Impact Score : 3.6Impact Score : 2.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector: NETWORK
Attack Complexity: LOWAccess Complexity: LOW
Privileges Required: LOWAuthentication: SINGLE_INSTANCE
User Interaction: NONEConfidentiality: NONE
Scope: UNCHANGEDIntegrity: PARTIAL
Confidentiality: NONEAvailability: NONE
Integrity: HIGH 
Availability: NONE 
  





Reference:
BID-101173
https://lists.apache.org/thread.html/74a163df0cdefcd738c8d18821e69aa69eed2ba5384c0cc255d15c4b@%3Cannounce.apache.org%3E
https://issues.apache.org/jira/browse/IMPALA-5638

CWE    1
CWE-264

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