CVE-2021-25518 — Improper Restriction of Operations within the Bounds of a Memory Buffer in Mobile Devices

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-787 — Out-of-bounds Write3 documents3 sources

Severity

6.7MEDIUMNVD

CNA6.4

EPSS

0.0%

top 95.25%

CISA KEV

Not in KEV

Exploit

No known exploits

Affected products

Samsung Mobile Devices Google Android

Timeline

PublishedDec 8

Latest updateDec 9

Description

An improper boundary check in secure_log of LDFW and BL31 prior to SMR Dec-2021 Release 1 allows arbitrary memory write and code execution.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HExploitability: 0.8 | Impact: 5.9

Affected Packages2 packages

▶CVEListV5samsung_mobile/samsung_mobile_devicesP(9.0), Q(10.0), R(11.0) devices with selected Exynos chipsets — SMR Dec-2021 Release 1

▶NVDgoogle/android10.0, 11.0, 9.0+2

🔴Vulnerability Details

GHSA

GHSA-pv7r-v4qc-v4gq: An improper boundary check in secure_log of LDFW and BL31 prior to SMR Dec-2021 Release 1 allows arbitrary memory write and code execution↗2021-12-09

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CVEList

CVE-2021-25518: An improper boundary check in secure_log of LDFW and BL31 prior to SMR Dec-2021 Release 1 allows arbitrary memory write and code execution↗2021-12-08

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