PT-2021-16625 · Samsung · Tizen Bootloader

Bob · Published 2021-07-08 · Updated 2021-07-14 · CVE-2021-25434

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions: Tizen bootloader versions prior to Firmware update JUL-2021 Release

Description: The issue is related to improper input validation in the Tizen bootloader, allowing for arbitrary code execution. This can be achieved by using the param partition in wireless firmware download mode.

Recommendations: For versions prior to Firmware update JUL-2021 Release, update to the Firmware update JUL-2021 Release or later to resolve the issue.

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2021-25434

Affected Products

Tizen Bootloader

References · 3

• https://osv.dev/vulnerability/CVE-2021-25434 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-25434 · Security Note
• https://security.samsungmobile.com/serviceWeb.smsb?year=2021&month=7 · Vendor Advisory