Cryptographic Issues

Affecting nss package, versions <2:3.26.2-1.1+deb9u2

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Overview

A cached side channel attack during handshakes using RSA encryption could allow for the decryption of encrypted content. This is a variant of the Adaptive Chosen Ciphertext attack (AKA Bleichenbacher attack) and affects all NSS versions prior to NSS 3.41.

References

CVSS Score

5.9
medium severity
  • Attack Vector
    Network
  • Attack Complexity
    High
  • Privileges Required
    None
  • User Interaction
    None
  • Scope
    Unchanged
  • Confidentiality
    High
  • Integrity
    None
  • Availability
    None
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
CVE
CVE-2018-12404
Snyk ID
SNYK-DEBIAN9-NSS-421294
Disclosed
02 May, 2019
Published
13 Dec, 2018