SB2019101803 - Sandbox bypass in Agoric Realm Shim npm package
Published: October 18, 2019
Security Bulletin ID
SB2019101803
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: N/A)
CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/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 an error in the transformation pipeline that exposed a primal-Realm object to one of the transform functions. A remote attacker can escape the sandbox, compromise the Realm which created it and compromise the application.
Remediation
Install update from vendor's website.