Cloud Vulnerability DB
An open project to list all known cloud vulnerabilities and Cloud Service Provider security issues
Vulnerability DatabaseCVE-2025-48935
CVE-2025-48935:
Rust vulnerability analysis and mitigation
Overview
CVE-2025-48935 affects Deno, a JavaScript, TypeScript, and WebAssembly runtime. The vulnerability was discovered in version 2.2.0 and affects all versions prior to 2.2.5. The issue was disclosed on June 4, 2025, and allows attackers to bypass Deno's permission read/write db permission check using the ATTACH DATABASE statement (GitHub Advisory).
Technical details
The vulnerability exists in Deno's node:sqlite implementation where the ATTACH DATABASE statement can be used to circumvent the runtime's permission system. The issue has been assigned a CVSS v4.0 score of 5.5 (MEDIUM) with the vector string CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P (NVD).
Impact
The vulnerability allows attackers to bypass Deno's security permissions system, specifically the read/write database permissions. This could enable unauthorized access to or modification of database files that should be restricted by the permission system (GitHub Advisory).
Mitigation and workarounds
The vulnerability has been patched in Deno version 2.2.5. Users should upgrade to this version or later to receive the fix. The patch includes restrictions on the ATTACH DATABASE statement and sets the SQLITELIMITATTACHED to 0 to prevent this type of bypass (Deno Commit).
Additional resources
Source: This report was generated using AI
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