Vulnerability Monitor

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CVE-2018-5383

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.

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 6.8, indicating it requires adjacent network access but requires specific conditions to be met without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), for affected systems. Impacting 4 products from ti, from google, from apple and 1 other, organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2018, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2018-08-07T21:29:00.287

Last Modified

2026-03-05T18:54:32.250

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 6.8 (MEDIUM)

CVSSv2 Vector

AV:A/AC:M/Au:N/C:P/I:P/A:N

Access Vector: ADJACENT_NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

5.5

Impact Score

4.9

Weaknesses

Type: Secondary
CWE-325
Type: Primary
CWE-347

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	ti	wl18xx_bluetooth_service_pack	< 4.3	Yes
Operating System	google	android	6.0	Yes
Operating System	google	android	6.0.1	Yes
Operating System	google	android	7.0	Yes
Operating System	google	android	7.1.1	Yes
Operating System	google	android	7.1.2	Yes
Operating System	google	android	8.0	Yes
Operating System	google	android	8.1	Yes
Operating System	apple	iphone_os	< 11.4	Yes
Operating System	apple	mac_os_x	< 10.13	Yes

References

http://www.cs.technion.ac.il/~biham/BT/ Mitigation, Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/104879 Third Party Advisory, VDB Entry, Broken Link ([email protected])
http://www.securitytracker.com/id/1041432 Third Party Advisory, VDB Entry, Broken Link ([email protected])
https://access.redhat.com/errata/RHSA-2019:2169 Third Party Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2019/04/msg00005.html Mailing List ([email protected])
https://usn.ubuntu.com/4094-1/ Third Party Advisory ([email protected])
https://usn.ubuntu.com/4095-1/ Third Party Advisory ([email protected])
https://usn.ubuntu.com/4095-2/ Third Party Advisory ([email protected])
https://usn.ubuntu.com/4118-1/ Third Party Advisory ([email protected])
https://usn.ubuntu.com/4351-1/ Third Party Advisory ([email protected])
https://www.bluetooth.com/news/unknown/2018/07/bluetooth-sig-security-update Vendor Advisory, Broken Link ([email protected])
https://www.kb.cert.org/vuls/id/304725 Third Party Advisory ([email protected])
http://www.cs.technion.ac.il/~biham/BT/ Mitigation, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/104879 Third Party Advisory, VDB Entry, Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1041432 Third Party Advisory, VDB Entry, Broken Link (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2019:2169 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2019/04/msg00005.html Mailing List (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/4094-1/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/4095-1/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/4095-2/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/4118-1/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/4351-1/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.bluetooth.com/news/unknown/2018/07/bluetooth-sig-security-update Vendor Advisory, Broken Link (af854a3a-2127-422b-91ae-364da2661108)
https://www.kb.cert.org/vuls/id/304725 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For ti's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.