SB2019120418 - Improper Authentication in several Huawei Smartphones
Published: December 4, 2019
Security Bulletin ID
SB2019120418
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Physical access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper Authentication (CVE-ID: CVE-2019-5252)
CWE-ID: CWE-287 - Improper Authentication
CVSSv4: CVSS:4.0/AV:P/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows an attacker to bypass authentication process.
The vulnerability exists due to the applock does not perform a sufficient authentication in a rare condition. An attacker with physical access to the device can use the application locked by applock in an instant when the phone's CPU is almost exhausted.
Remediation
Install update from vendor's website.