An issue was discovered in the _send_secure_msg() function of Yubico yubihsm-shell through 2.0.3. The function does not correctly validate the embedded length field of an authenticated message received from the device. Out-of-bounds reads performed by aes_remove_padding() can crash the running process, depending on the memory layout. This could be used by an attacker to cause a client-side denial of service. The yubihsm-shell project is included in the YubiHSM 2 SDK product.
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History
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Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2024-08-03T20:40:47.490Z
Reserved: 2021-02-15T00:00:00
Link: CVE-2021-27217

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Status : Modified
Published: 2021-03-04T18:15:14.050
Modified: 2024-11-21T05:57:37.090
Link: CVE-2021-27217

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