CVE-2020-17533: Apache Accumulo Improper Handling of Insufficient Permissions
First published: Tue Dec 29 2020(Updated: )
Apache Accumulo versions 1.5.0 through 1.10.0 and version 2.0.0 do not properly check the return value of some policy enforcement functions before permitting an authenticated user to perform certain administrative operations. Specifically, the return values of the 'canFlush' and 'canPerformSystemActions' security functions are not checked in some instances, therefore allowing an authenticated user with insufficient permissions to perform the following actions: flushing a table, shutting down Accumulo or an individual tablet server, and setting or removing system-wide Accumulo configuration properties.
Credit: security@apache.org security@apache.org security@apache.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Apache Accumulo | >=1.5.0<=1.10.0 | |
| Apache Accumulo | =2.0.0 | |
| maven/org.apache.accumulo:accumulo-master | =2.0.0 | 2.0.1 |
| maven/org.apache.accumulo:accumulo-master | >=1.5.0<1.10.1 | 1.10.1 |
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Reference Links
- http://www.openwall.com/lists/oss-security/2020/12/29/1
- https://lists.apache.org/thread.html/rf8c1a787b6951d3dacb9ec58f0bf1633790c91f54ff10c6f8ff9d8ed%40%3Cuser.accumulo.apache.org%3E
- https://lists.apache.org/thread.html/rf8c1a787b6951d3dacb9ec58f0bf1633790c91f54ff10c6f8ff9d8ed@%3Cannounce.apache.org%3E
- https://nvd.nist.gov/vuln/detail/CVE-2020-17533
- https://github.com/apache/accumulo/commit/877ad502f6857e48342664e4b0ce83db74e4cda4
- https://github.com/apache/accumulo/commit/56142a89952533fef922fa86739a879c073e7c2a
- https://github.com/advisories/GHSA-grc3-8q8m-4j7c (Advisory)
- https://lists.apache.org/thread.html/rf8c1a787b6951d3dacb9ec58f0bf1633790c91f54ff10c6f8ff9d8ed%40%3Cannounce.apache.org%3E
Frequently Asked Questions
What is the severity of CVE-2020-17533?
CVE-2020-17533 has a high severity due to improper policy enforcement that may allow authenticated users to perform unauthorized administrative operations.
How do I fix CVE-2020-17533?
To fix CVE-2020-17533, update Apache Accumulo to version 1.10.1 or 2.0.1.
Which versions of Apache Accumulo are affected by CVE-2020-17533?
CVE-2020-17533 affects Apache Accumulo versions 1.5.0 to 1.10.0 and version 2.0.0.
What are the consequences of not addressing CVE-2020-17533?
Failing to address CVE-2020-17533 could lead to unauthorized administrative operations by authenticated users.
Is authentication enough to prevent exploitation of CVE-2020-17533?
No, authentication alone is not sufficient to prevent exploitation of CVE-2020-17533 due to the failure to properly check policy enforcement returns.
- collector/nvd-index
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- version/apache accumulo/1.10.0
- version/apache accumulo/2.0.0
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