SB2022022809 - Time-of-check Time-of-use (TOCTOU) Race Condition in B2 Command Line Tool



SB2022022809 - Time-of-check Time-of-use (TOCTOU) Race Condition in B2 Command Line Tool

Published: February 28, 2022

Security Bulletin ID SB2022022809
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Time-of-check Time-of-use (TOCTOU) Race Condition (CVE-ID: CVE-2022-23653)

CWE-ID: CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition

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


The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to a time-of-check-time-of-use (TOCTOU) race condition. A local user can use a specially crafted request and gain unauthorized access to sensitive information on the system.


Remediation

Install update from vendor's website.