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CVE PROGRAM SOURCE RECORD5.9 Medium

CVE-2025-7071

Timing side-channel vulnerability in AES-CBC decryption with PKCS#7 padding in ocrypto library

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Status
Published
Published
Updated
Assigning organization
NCSC.ch

Description

Padding oracle attack vulnerability in Oberon microsystem AG’s ocrypto library in all versions since 3.1.0 and prior to 3.9.2 allows an attacker to recover plaintexts via timing measurements of AES-CBC PKCS#7 decrypt operations.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Oberon microsystems AG ocrypto

Default version status: unaffected

  • 3.1.0 to ≤ 3.9.1affected

References