SB20230808137 - Information disclosure in Microsoft ASP.NET Core SignalR and Visual Studio
Published: August 8, 2023 Updated: August 10, 2023
Security Bulletin ID
SB20230808137
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) Information disclosure (CVE-ID: CVE-2023-35391)
CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/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 excessive data output by the application in ASP.NET Core SignalR and Visual Studio. A local user can gain unauthorized access to sensitive information on the system.
Remediation
Install update from vendor's website.