CVE-2021-42277 – Diagnostics Hub Standard Collector Elevation of Privilege Vulnerability
https://notcve.org/view.php?id=CVE-2021-42277
Diagnostics Hub Standard Collector Elevation of Privilege Vulnerability Una vulnerabilidad de Elevación de Privilegios en Diagnostics Hub Standard Collector This vulnerability allows local attackers to escalate privileges on affected installations of Microsoft Windows. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the Microsoft Diagnostics Hub Standard Collector Service. By creating a symbolic link, an attacker can abuse the service to delete a directory. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. • https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42277 https://www.zerodayinitiative.com/advisories/ZDI-21-1306 • CWE-269: Improper Privilege Management •
CVE-2021-41355 – .NET Core and Visual Studio Information Disclosure Vulnerability
https://notcve.org/view.php?id=CVE-2021-41355
.NET Core and Visual Studio Information Disclosure Vulnerability Una vulnerabilidad de Divulgación de Información en .NET Core y Visual Studio A flaw was found in dotnet, where the System.DirectoryServices.Protocols.LdapConnection sends credentials in plaintext if the Transport Layer Security (TLS) handshake fails. This flaw allows an attacker to intercept sensitive information. The highest threat from this vulnerability is to confidentiality. • https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41355 https://www.oracle.com/security-alerts/cpujan2022.html https://access.redhat.com/security/cve/CVE-2021-41355 https://bugzilla.redhat.com/show_bug.cgi?id=2011487 • CWE-319: Cleartext Transmission of Sensitive Information •
CVE-2021-26434 – Visual Studio Elevation of Privilege Vulnerability
https://notcve.org/view.php?id=CVE-2021-26434
Visual Studio Elevation of Privilege Vulnerability Una Vulnerabilidad de Elevación de Privilegios en Visual Studio This vulnerability allows local attackers to escalate privileges on affected installations of Microsoft Visual Studio. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the Visual Studio installer. The issue results from incorrect permissions set on a resource used by the installer. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. • https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26434 https://www.zerodayinitiative.com/advisories/ZDI-21-1077 • CWE-732: Incorrect Permission Assignment for Critical Resource •
CVE-2021-34485 – .NET Core and Visual Studio Information Disclosure Vulnerability
https://notcve.org/view.php?id=CVE-2021-34485
.NET Core and Visual Studio Information Disclosure Vulnerability Una Vulnerabilidad de Divulgación de Información en .NET Core y Visual Studio • https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34485 https://access.redhat.com/security/cve/CVE-2021-34485 https://bugzilla.redhat.com/show_bug.cgi?id=1990286 • CWE-732: Incorrect Permission Assignment for Critical Resource •
CVE-2021-26423 – .NET Core and Visual Studio Denial of Service Vulnerability
https://notcve.org/view.php?id=CVE-2021-26423
.NET Core and Visual Studio Denial of Service Vulnerability Una Vulnerabilidad de Denegación de Servicio en .NET Core y Visual Studio An infinite loop error was found in ASP.NET when processing WebSocket frames. The exploitation of this issue can cause high CPU resource consumption. The highest threat from this vulnerability is to system availability. • https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26423 https://access.redhat.com/security/cve/CVE-2021-26423 https://bugzilla.redhat.com/show_bug.cgi?id=1990295 • CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop') •