SB2021012098 - Multiple vulnerabilities in Oracle ZFS Storage Appliance Kit

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Main Vulnerability Database SB2021012098

SB2021012098 - Multiple vulnerabilities in Oracle ZFS Storage Appliance Kit

Published: January 20, 2021 Updated: July 3, 2025

Security Bulletin ID SB2021012098
CSH Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Improper input validation (CVE-ID: CVE-2021-1999)

CWE-ID: CWE-20 - Improper input validation

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


The vulnerability allows a local privileged user to manipulate data.

The vulnerability exists due to improper input validation within the RAS subsystems component in Oracle ZFS Storage Appliance Kit. A local privileged user can exploit this vulnerability to manipulate data.


2) Buffer overflow (CVE-ID: CVE-2020-11984)

CWE-ID: CWE-119 - Memory corruption

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


The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in od_proxy_uwsgi module. A remote attacker can send a specially crafted request to the web server, trigger memory corruption and gain access to sensitive information or execute arbitrary code on the target system.


Remediation

Install update from vendor's website.

References