Executive Summary

Informations
NameCVE-2019-9506First vendor Publication2019-08-14
VendorCveLast vendor Modification2019-08-28

Security-Database Scoring CVSS v2

Cvss vector : (AV:A/AC:L/Au:N/C:P/I:P/A:N)
Cvss Base Score4.8Attack RangeAdjacent network
Cvss Impact Score4.9Attack ComplexityLow
Cvss Expoit Score6.5AuthenticationNone Required
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9506

CWE : Common Weakness Enumeration

%idName
100 %CWE-310Cryptographic Issues

CPE : Common Platform Enumeration

TypeDescriptionCount
Hardware1
Os1
Os3
Os1
Os1
Os1

Sources (Detail)

SourceUrl
CERT-VN https://www.kb.cert.org/vuls/id/918987/
CONFIRM http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20190828-01-knob-en
https://www.bluetooth.com/security/statement-key-negotiation-of-bluetooth/
FULLDISC http://seclists.org/fulldisclosure/2019/Aug/11
http://seclists.org/fulldisclosure/2019/Aug/13
http://seclists.org/fulldisclosure/2019/Aug/14
http://seclists.org/fulldisclosure/2019/Aug/15
MISC http://www.cs.ox.ac.uk/publications/publication12404-abstract.html
https://www.usenix.org/conference/usenixsecurity19/presentation/antonioli
MLIST https://lists.debian.org/debian-lts-announce/2019/09/msg00014.html
https://lists.debian.org/debian-lts-announce/2019/09/msg00015.html
https://lists.debian.org/debian-lts-announce/2019/09/msg00025.html
REDHAT https://access.redhat.com/errata/RHSA-2019:2975
SUSE http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00036.html
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00037.html
UBUNTU https://usn.ubuntu.com/4115-1/
https://usn.ubuntu.com/4118-1/
https://usn.ubuntu.com/4147-1/

Alert History

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DateInformations
2019-10-11 12:08:38
  • Multiple Updates
2019-10-09 12:11:40
  • Multiple Updates
2019-10-05 12:11:45
  • Multiple Updates
2019-09-26 12:11:46
  • Multiple Updates
2019-09-16 12:01:51
  • Multiple Updates
2019-09-14 12:11:09
  • Multiple Updates
2019-09-03 09:19:30
  • Multiple Updates
2019-08-28 17:19:31
  • Multiple Updates
2019-08-26 17:19:26
  • Multiple Updates
2019-08-17 05:19:37
  • Multiple Updates
2019-08-17 00:19:29
  • Multiple Updates
2019-08-14 21:20:01
  • First insertion