SB2020040943 - Remote code execution in F2fs-tools



SB2020040943 - Remote code execution in F2fs-tools

Published: April 9, 2020 Updated: July 28, 2020

Security Bulletin ID SB2020040943
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Buffer overflow (CVE-ID: CVE-2020-6070)

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

The vulnerability exists due to a boundary error in "sanity_check_area_boundary" function in the file system checking functionality. A remote administrator can create a specially crafted f2fs file, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install update from vendor's website.