Security restrictions bypass in Windows 10 Mobile

Published: 2019-10-09 | Updated: 2019-10-09
Severity Low
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2019-1314
CWE ID CWE-264
Exploitation vector Local
Public exploit N/A
Vulnerable software Windows Phone Subscribe
Vendor Microsoft

Security Advisory

This security advisory describes one low risk vulnerability.

1) Permissions, Privileges, and Access Controls

Severity: Low

CVSSv3: 3.1 [CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-1314

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Description

The vulnerability allows a local user to bypass security restrictions.

The vulnerability exists due to the way files and folders a re accessed through the locked screen on Windows 10 Mobile, when Cortana is installed. A local attacker with physical access to device can access the photo library of an affected phone and modify or delete photos without authenticating to the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Windows Phone: 10

CPE External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1314

Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.