AES OCB mode for 32-bit x86 platforms using the AES-NI assembly optimised implementation will not encrypt the entirety of the data under some circumstances. This could reveal sixteen bytes of data that was preexisting in the memory that wasn't written. In the special case of "in place" encryption, sixteen bytes of the plaintext would be revealed. Since OpenSSL does not support OCB based cipher suites for TLS and DTLS, they are both unaffected. Fixed in OpenSSL 3.0.5 (Affected 3.0.0-3.0.4). Fixed in OpenSSL 1.1.1q (Affected 1.1.1-1.1.1p).
Metrics
Affected Vendors & Products
References
History
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MITRE
Status: PUBLISHED
Assigner: openssl
Published: 2022-07-05T10:30:13.658000Z
Updated: 2024-09-17T01:06:49.390Z
Reserved: 2022-06-16T00:00:00
Link: CVE-2022-2097
Vulnrichment
Updated: 2024-08-03T00:24:44.189Z
NVD
Status : Modified
Published: 2022-07-05T11:15:08.340
Modified: 2024-11-21T07:00:18.757
Link: CVE-2022-2097
Redhat