PT-2025-35197 · Unknown · Oberon Psa Crypto Library

Published 2025-08-29 · Updated 2025-08-29 · CVE-2025-9071

Positive Technologies (AI Summary)

CVSS v4.0

2.3

Low

Base vector

AV:N/AC:H/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/S:N/RE:L

Name of the Vulnerable Software and Affected Versions Oberon PSA Crypto Library versions prior to 1.6

Description The software uses an all-zero seed for RSA-OEAP padding instead of generated random bytes. This results in deterministic RSA, leading to a loss of confidentiality for guessable messages, recognition of repeated messages, and a loss of security proofs.

Recommendations Update to version 1.6 or later.

Fix

Weakness Enumeration

CWE-780

Related Identifiers

CVE-2025-9071

Affected Products

Oberon Psa Crypto Library

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2025-9071 · Security Note
• https://t.me/cveNotify/133910 · Telegram Post
• https://t.me/CVEtracker/31231 · Telegram Post
• https://twitter.com/VulmonFeeds/status/1961379874397880350 · Twitter Post
• https://oberon.ch/security-advisories/cve-2025-9071 · Note