Improper access control in Google Android - CVE-2020-0246

 

Improper access control in Google Android - CVE-2020-0246

Published: October 8, 2020


Vulnerability identifier: #VU47430
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-0246
CWE-ID: CWE-284
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local application to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to EuiccController in Android Framework does not validate the calling package name to ensure that it is owned by the calling UID. A local application can abuse this behavior to gain carrier  privileges in the call to EuiccController#getEid by passing the package name of another app that does have carrier privileges to one or more subscriptions.


Affected software

Google Android

How to mitigate CVE-2020-0246

Install updates from vendor's website.


External References

Related Security Bulletins