VYPR
High severityNVD Advisory· Published Jul 5, 2022· Updated Sep 17, 2024

AES OCB fails to encrypt some bytes

CVE-2022-2097

Description

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).

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Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
openssl-srccrates.io
< 111.22.0111.22.0
openssl-srccrates.io
>= 300.0.0, < 300.0.9300.0.9

Affected products

54

Patches

Vulnerability mechanics

References

27

News mentions

0

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