Multiple vulnerabilities in Microsoft Developer Tools

Description

Multiple vulnerabilities were found in Microsoft Developer Tools. Malicious users can exploit these vulnerabilities to execute arbitrary code, cause denial of service, obtain sensitive information.

Below is a complete list of vulnerabilities:

1. An information disclosure vulnerability in .NET Core and Visual Studio can be exploited remotely to obtain sensitive information.
2. A NULL pointer dereference in Microsoft Visual Studio can be exploited remotely to cause denial of service.
3. A NULL pointer dereference in signature algorithms processing can be exploited remotely to cause denial of service.
4. A CA certificate check bypass in Microsoft Visual Studio can be exploited remotely to obtain sensitive information.

Original advisories

• CVE-2021-41355

• CVE-2020-1971
• CVE-2021-3449
• CVE-2021-3450

Exploitation

Public exploits exist for this vulnerability.

Malware exists for this vulnerability. Usually such malware is classified as Exploit. More details.

Related products

• Microsoft-Visual-Studio

CVE list

• CVE-2021-41355
  high
• CVE-2020-1971
  high
• CVE-2021-3449
  high
• CVE-2021-3450
  high

KB list

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