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CVE-2018-5383— Bluetooth implementations may not sufficiently validate elliptic curve parameters during Diffie-Hellman key exchange

Quick assessment

Affected
Apple macOS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Bluetooth是一种无线技术标准，它能够实现固定设备、移动设备和楼宇个人域网之间的短距离数据交换。 Bluetooth中存在加密问题漏洞，该漏洞源于在Diffie-Hellman密钥交换过程中程序未能充分验证用于生成公钥的椭圆曲线参数。远程攻击者可利用该漏洞获取设备使用的加密密钥，进而拦截，解密，伪造和注入设备消息。以下系统受到影响：macOS 10.13之前版本；macOS High Sierra 11.4之前版本；iOS 11.4之前版本；Android 2018-06-05补丁之前版本。

AI Predicted 7.5 Difficulty: Moderate EPSS 0.81% · P56

Possible ATT&CK Techniques 1 AI

T1598.002 · Spearphishing Attachment
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I. Basic Information for CVE-2018-5383

Vulnerability Information
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Vulnerability Title
Bluetooth implementations may not sufficiently validate elliptic curve parameters during Diffie-Hellman key exchange
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
缺少必要的密码学步骤
Source: CVE Program / CVE List V5
Vulnerability Title
Bluetooth 加密问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Bluetooth是一种无线技术标准，它能够实现固定设备、移动设备和楼宇个人域网之间的短距离数据交换。 Bluetooth中存在加密问题漏洞，该漏洞源于在Diffie-Hellman密钥交换过程中程序未能充分验证用于生成公钥的椭圆曲线参数。远程攻击者可利用该漏洞获取设备使用的加密密钥，进而拦截，解密，伪造和注入设备消息。以下系统受到影响：macOS 10.13之前版本；macOS High Sierra 11.4之前版本；iOS 11.4之前版本；Android 2018-06-05补丁之前版本。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Apple macOS 10.13 High Sierra ~ 10.13.6 -
Apple iOS 11 ~ 11.4 -
Android Open Source Project Android unspecified ~ 2018-06-05 patch level -

II. Public POCs for CVE-2018-5383

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III. Intelligence Information for CVE-2018-5383

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Vendor Advisories for CVE-2018-5383 (9)

Mailing List Discussions for CVE-2018-5383 (1)

Other References for CVE-2018-5383 (2)

IV. Related Vulnerabilities

Same product: macOS
Same vendor: Apple
Same weakness: CWE-325

V. Comments for CVE-2018-5383

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