SB2020122912 - Security restrictions bypass in Apache Accumulo

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Main Vulnerability Database SB2020122912

SB2020122912 - Security restrictions bypass in Apache Accumulo

Published: December 29, 2020

Security Bulletin ID SB2020122912
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper access control (CVE-ID: CVE-2020-17533)

CWE-ID: CWE-284 - Improper Access Control

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions for "canFlush" and "canPerformSystemActions" function. A remote authenticated user can bypass implemented security restrictions and flush a table, shut down Accumulo or an individual tablet server, and set or remove system-wide Accumulo configuration properties.


Remediation

Install update from vendor's website.

References