CVE-2023-5981

CVSS 3.1 Score 5.9 of 10 (medium)

Details

Published Nov 28, 2023
Updated: Jul 8, 2024
CWE ID 203

Summary

CVE-2023-5981 denotes a newly discovered vulnerability in RSA-PSK (Pre-Shared Key) ClientKeyExchange. This issue arises due to inconsistent response times when encountering malformed ciphertexts compared to those with the correct PKCS#1 v1.5 padding. Attackers could potentially exploit this difference in response times to decipher encrypted data and gain unauthorized access, making it crucial for organizations to apply patches or updates as soon as they become available.

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Affected Products

  • Red Hat Enterprise Linux
  • Fedora Operating System
  • GnuTLS

Affected Vendors

  • Red Hat
  • Fedora Project