National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-9792 Detail

Current Description

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.

Source:  MITRE      Last Modified:  10/03/2017      View Analysis Description

Quick Info

CVE Dictionary Entry:
CVE-2017-9792
Original release date:
10/03/2017
Last revised:
11/02/2017
Source:
US-CERT/NIST

Impact

CVSS Severity (version 3.0):
CVSS v3 Base Score:
6.5 Medium
Vector:
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N (legend)
Impact Score:
3.6
Exploitability Score:
2.8
CVSS Version 3 Metrics:
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
Low
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
High
Availability (A):
None
CVSS Severity (version 2.0):
CVSS v2 Base Score:
4.0 MEDIUM
Vector:
(AV:N/AC:L/Au:S/C:N/I:P/A:N) (legend)
Impact Subscore:
2.9
Exploitability Subscore:
8.0
CVSS Version 2 Metrics:
Access Vector:
Network exploitable
Access Complexity:
Low
Authentication:
Required to exploit
Impact Type:
Allows unauthorized modification

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name
http://www.securityfocus.com/bid/101173 Third Party Advisory; VDB Entry External Source BID 101173
https://issues.apache.org/jira/browse/IMPALA-5638 Issue Tracking; Vendor Advisory External Source CONFIRM https://issues.apache.org/jira/browse/IMPALA-5638
https://lists.apache.org/thread.html/74a163df0cdefcd738c8d18821e69aa69eed2ba5384c0cc255d15c4b@%3Cannounce.apache.org%3E Mailing List; Mitigation; Vendor Advisory External Source MLIST [announce] 20170929 CVE-2017-9792 Apache Impala (incubating) Information Disclosure

Technical Details

Vulnerability Type (View All)

  • Permissions, Privileges, and Access Control (CWE-264)

Change History 2 change records found - show changes