PT-2025-35196 · Unknown · Oberon Psa Crypto

Published 2025-08-29 · Updated 2025-08-29 · CVE-2025-7383

Positive Technologies (AI Summary)

CVSS v4.0

5.9

Medium

Base vector

AV:L/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Name of the Vulnerable Software and Affected Versions Oberon PSA Crypto library versions 1.0.0 through 1.5.0

Description A padding oracle attack allows an attacker to recover plaintexts via timing measurements of AES-CBC PKCS#7 decrypt operations.

Recommendations Update to version 1.5.1 or later.

Fix

Use of a Broken Cryptographic Algorithm

Weakness Enumeration

CWE-327

CWE-208

Related Identifiers

CVE-2025-7383

Affected Products

Oberon Psa Crypto

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2025-7383 · Security Note
• https://oberon.ch/security-advisories/cve-2025-7383 · Note
• https://t.me/CVEtracker/31230 · Telegram Post
• https://twitter.com/VulmonFeeds/status/1961384994267398602 · Twitter Post
• https://t.me/cveNotify/133909 · Telegram Post