Timing Vulnerability in RSA-PSK ClientKeyExchange with Malformed Ciphertexts

Timing Vulnerability in RSA-PSK ClientKeyExchange with Malformed Ciphertexts

CVE-2023-5981 · MEDIUM Severity

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

A vulnerability was found that the response times to malformed ciphertexts in RSA-PSK ClientKeyExchange differ from response times of ciphertexts with correct PKCS#1 v1.5 padding.

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