What is CVE-2019-2123?

CVE-2019-2123 is a high-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2019-09-05.

How severe is CVE-2019-2123?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Google Android

CVE-2019-2123

In execTransact of Binder.java in Android 7.1.1, 7.1.2, 8.0, 8.1, and 9, there is a possible local execution of arbitrary code in a privileged process due to a memory overwrite. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Vulnerability class: Buffer Overflow

EPSS: 0.002 (6.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Google Android — versions 7.1.1, 7.1.2, 8.0
N/a Android — versions Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android-9

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

security@android.com (Patch, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2019-2123?: CVE-2019-2123 is a high-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2019-09-05.
How severe is CVE-2019-2123?: High severity. CVSS v3 base score is 7.8 out of 10.