Sandbox bypass in Agoric Realm Shim npm package
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | N/A |
| CWE-ID | CWE-264 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Realm Shim Web applications / Modules and components for CMS |
| Vendor | Agoric Systems Operating Company |
Security Bulletin
This security bulletin contains one high risk vulnerability.
1) Permissions, Privileges, and Access Controls
EUVDB-ID: #VU21931
Risk: High
CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: N/A
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
Description 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.
Install updates from vendor's website.
Vulnerable software versionsRealm Shim: 1.1.0 - 1.2.0
External linkshttp://www.npmjs.com/advisories/1218
http://github.com/Agoric/realms-shim/security/advisories/GHSA-7cg8-pq9v-x98q
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.
