Out-of-bounds write in Google Android - CVE-2019-2178

 

Out-of-bounds write in Google Android - CVE-2019-2178

Published: September 6, 2019 / Updated: August 8, 2020


Vulnerability identifier: #VU35576
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-2178
CWE-ID: CWE-787
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Google
Affected software:
Google Android

Detailed vulnerability description

The vulnerability allows a local authenticated user to execute arbitrary code.

In rw_t4t_sm_read_ndef of rw_t4t in Android 7.1.1, 7.1.2, 8.0, 8.1 and 9, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege in the NFC service with no additional execution privileges needed. User interaction is not needed for exploitation.


How to mitigate CVE-2019-2178

Install update from vendor's website.

Sources