SB2020122912 - Security restrictions bypass in Apache Accumulo
Published: December 29, 2020
Security Bulletin ID
SB2020122912
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper access control (CVE-ID: CVE-2020-17533)
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.