#VU53705 Permissions, Privileges, and Access Controls in Deno


Published: 2021-06-01

Vulnerability identifier: #VU53705

Vulnerability 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]

CVE-ID: CVE-2021-32619

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Deno
Web applications / Modules and components for CMS

Vendor: Deno Land

Description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to the modules that are dynamically imported through "import()" or "new Worker" do not properly impose security restrictions, which leads to security restrictions bypass and privilege escalation.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Deno: 1.5.0 - 1.10.1


External links
http://github.com/denoland/deno/security/advisories/GHSA-xpwj-7v8q-mcgj


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.


Latest bulletins with this vulnerability