Remote code execution in Microsoft Visual Studio Code GitHub Pull Requests and Issues Extension

This security advisory describes one high risk vulnerability.


1) Code Injection


Risk: High


CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]


CVE-ID: CVE-2021-28470


CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')


Exploit availability: No


Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.


The vulnerability exists due to improper input validation in Visual Studio Code GitHub Pull Requests and Issues Extension. A remote attacker can send a specially crafted request and execute arbitrary code on the target system.


Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Mitigation

Install updates from vendor's website.


Vulnerable software versions

Visual Studio Code GitHub Pull Requests and Issues: All versions


CPE
External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28470


Q & A


Can this vulnerability be exploited remotely?


Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.


Is there known malware, which exploits this vulnerability?


No. We are not aware of malware exploiting this vulnerability.