SB2021060117 - Privilege escalation in Deno
Published: June 1, 2021
Security Bulletin ID
SB2021060117
CSH Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-32619)
CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
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.
Remediation
Install update from vendor's website.