SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2019-20607

A heap overflow in the keymaster Trustlet allows attackers to write to TEE memory, and achieve arbitrary code execution.

CRITICAL 9.8EPSS 0.88%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.88%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

An issue was discovered on Samsung mobile devices with N(7.x), O(8.x), and P(9.0) (MSM8996, MSM8998, Exynos7420, Exynos7870, Exynos8890, and Exynos8895 chipsets) software. A heap overflow in the keymaster Trustlet allows attackers to write to TEE memory, and achieve arbitrary code execution. The Samsung ID is SVE-2019-14126 (May 2019).

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
0.88% probability · 57th percentile
CISA KEV
Not listed
Weakness
CWE-787
Affected
google/android
Source
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.