PT-2021-9102 · Linaro · Linaro Op-Tee

Martijn Bogaard · Published 2021-08-11 · Updated 2026-06-05 · CVE-2019-25052

Positive Technologies (AI Summary)

CVSS v3.1

9.1

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Linaro OP-TEE versions prior to 3.7.0

Description The issue allows an attacker to call update and final cryptographic functions directly by using inconsistent or malformed data, potentially causing a crash that could leak sensitive information.

Recommendations For versions prior to 3.7.0, update to version 3.7.0 or later to resolve the issue. As a temporary workaround, consider restricting the input data to prevent the use of inconsistent or malformed data that could trigger the crash.

Fix

Use of a Broken Cryptographic Algorithm

Weakness Enumeration

CWE-327

Related Identifiers

CVE-2019-25052

GHSA-PGWR-QMGH-VHMF

Affected Products

Linaro Op-Tee

References · 7

• https://github.com/OP-TEE/optee_os/security/advisories/GHSA-pgwr-qmgh-vhmf · Patch
• https://github.com/OP-TEE/optee_os/commit/34a08bec755670ea0490cb53bbc68058cafc69b6 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2019-25052 · Security Note
• https://osv.dev/vulnerability/CVE-2019-25052 · Vendor Advisory
• https://t.me/cibsecurity/27157 · Telegram Post
• https://t.me/cvenotify/19121 · Telegram Post
• https://t.me/cveNotify/166289 · Telegram Post