SB2021062227 - Memory leak in SonicWall SonicOS



SB2021062227 - Memory leak in SonicWall SonicOS

Published: June 22, 2021

Security Bulletin ID SB2021062227
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Memory leak (CVE-ID: CVE-2021-20019)

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

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


The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due memory leak when processing HTTP requests. A remote attacker can force the application to leak memory and gain access to sensitive information.


Remediation

Install update from vendor's website.