SB2023092932 - Observable discrepancy in IBM Security Verify Governance
Published: September 29, 2023
Security Bulletin ID
SB2023092932
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Observable discrepancy (CVE-ID: CVE-2021-31403)
CWE-ID: CWE-203 - Observable discrepancy
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/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 non-constant-time comparison of CSRF tokens in UIDL request handler. A local user can guess a security token for Fusion endpoints and then use this information to launch further attacks against the affected system.
Remediation
Install update from vendor's website.