SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-21052

There is incorrect usage of shared memory in the vaultkeeper Trustlet, leading to arbitrary code execution.

CRITICAL 9.8EPSS 0.83%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.83%). 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) and O(8.X) (Exynos chipsets) software. There is incorrect usage of shared memory in the vaultkeeper Trustlet, leading to arbitrary code execution. The Samsung ID is SVE-2018-12855 (October 2018).

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
0.83% probability · 56th percentile
CISA KEV
Not listed
Weakness
CWE-119
Affected
google/android
Source
cve@mitre.org

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