Blutooth BR/EDR specification does not specify sufficient encryption key length and allows an attacker to influence key length negotiation
21Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 7.6epss 2.7%
probabilidade de exploração
2.7%top 16% das CVEs
exploração observada
nãonenhuma fonte reporta
The Bluetooth BR/EDR specification up to and including version 5.1 permits sufficiently low encryption key length and does not prevent an attacker from influencing the key length negotiation. This allows practical brute-force attacks (aka "KNOB") that can decrypt traffic and inject arbitrary ciphertext without the victim noticing.
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
Produtos afetados
Bluetooth · BR/EDRReferências
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00036.htmlhttp://lists.opensuse.org/opensuse-security-announce/2019-10/msg00037.htmlhttps://access.redhat.com/errata/RHSA-2019:2975https://access.redhat.com/errata/RHSA-2019:3055https://access.redhat.com/errata/RHSA-2019:3076https://access.redhat.com/errata/RHSA-2019:3089https://access.redhat.com/errata/RHSA-2019:3165https://access.redhat.com/errata/RHSA-2019:3187https://access.redhat.com/errata/RHSA-2019:3217https://access.redhat.com/errata/RHSA-2019:3218https://access.redhat.com/errata/RHSA-2019:3220https://access.redhat.com/errata/RHSA-2019:3231