PT-2021-18152 · Unknown · Unofficial Svelte Extension For Visual Studio Code

Ryotak · Published 2021-04-05 · Updated 2021-04-08 · CVE-2021-29261

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions: Unofficial Svelte extension for Visual Studio Code versions prior to 104.8.0

Description: The issue allows attackers to execute arbitrary code via a crafted workspace configuration. This can be achieved by manipulating the workspace settings in a way that enables the execution of malicious code.

Recommendations: For versions prior to 104.8.0, update to version 104.8.0 or later to resolve the issue. As a temporary workaround, consider restricting access to workspace configuration files to minimize the risk of exploitation.

Fix

Related Identifiers

CVE-2021-29261

Affected Products

Unofficial Svelte Extension For Visual Studio Code

References · 9

• https://github.com/sveltejs/language-tools/commit/5d7bf1fd98bfe2cd2080863a3c95ce099b898075 · Patch
• https://osv.dev/vulnerability/CVE-2021-29261 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-29261 · Security Note
• https://github.com/sveltejs/language-tools/releases/tag/extensions-104.8.0 · Note
• https://github.com/sveltejs/language-tools/releases · Note
• https://t.me/cvenotify/12642 · Telegram Post
• https://t.me/cvenotify/12638 · Telegram Post
• https://marketplace.visualstudio.com/items?itemName=svelte.svelte-vscode · Note
• https://vuln.ryotak.me/advisories/3 · Note