CVE-2018-5383

MEDIUM EXPLOITED RANSOMWARE

Android - Improper Verification of Cryptographic Signature in Bluetooth Key Exchange

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2018-5383 has been observed exploited in the wild (reported by VulnCheck KEV), including in ransomware campaigns.

Description

Bluetooth firmware or operating system software drivers in macOS versions before 10.13, High Sierra and iOS versions before 11.4, and Android versions before the 2018-06-05 patch may not sufficiently validate elliptic curve parameters used to generate public keys during a Diffie-Hellman key exchange, which may allow a remote attacker to obtain the encryption key used by the device.

References (12)

Core 12
Core References
Mitigation, Third Party Advisory x_refsource_misc
http://www.cs.technion.ac.il/~biham/BT/
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1041432
Third Party Advisory, US Government Resource third-party-advisory x_refsource_cert-vn
https://www.kb.cert.org/vuls/id/304725
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/104879
Mailing List mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2019/04/msg00005.html
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:2169
Vendor Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4094-1/
Vendor Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4095-2/
Vendor Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4095-1/
Vendor Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4118-1/
Vendor Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4351-1/

Scores

CVSS v3 6.8
EPSS 0.0080
EPSS Percentile 51.8%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Details

VulnCheck KEV 2020-02-25
Ransomware Use Confirmed
CWE
CWE-325 CWE-347
Status published
Products (10)
apple/iphone_os < 11.4
apple/mac_os_x < 10.13
google/android 6.0
google/android 6.0.1
google/android 7.0
google/android 7.1.1
google/android 7.1.2
google/android 8.0
google/android 8.1
ti/wl18xx_bluetooth_service_pack < 4.3
Published Aug 07, 2018
Tracked Since Feb 18, 2026