medium
4.3
CWE
287
Advisory Published
CVE Published
CVE Published
Updated

CVE-2020-26558

First published: Thu Jan 21 2021(Updated: )

A vulnerability was found in Linux Kernel, where Passkey Entry protocol used in Secure Simple Pairing (SSP), Secure Connections (SC) and LE Secure Connections (LESC) of the Bluetooth Core Specification is vulnerable to an impersonation attack where an active attacker can impersonate the initiating device without any previous knowledge. Refer: <a href="https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6d19628f539fccf899298ff02ee4c73e4bf6df3f">https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6d19628f539fccf899298ff02ee4c73e4bf6df3f</a>

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
redhat/bluez<0:5.56-1.el8
0:5.56-1.el8
redhat/bluez<5.57
5.57
Android
Bluetooth Core Specification>=2.1<=5.2
Red Hat Fedora=34
Debian Linux=9.0
Linux Kernel<5.13
All of
Intel Wi-Fi 6E AX210 firmware
Intel Wi-Fi 6 AX210
All of
Intel Wi-Fi 6E AX201 Firmware
Intel AX201 Firmware
All of
Intel AX200 Firmware
Intel AX200 Firmware
All of
Intel AC 9560 Firmware
Intel Wireless-AC 9560
All of
Intel PROSet AC 9462 Firmware
Intel ProSet AC 9462
All of
Intel PROSet AC 9461 Firmware
Intel ProSet AC 9461
All of
Intel ProSet AC 9260 Firmware
Intel PROSet Wireless for AC 9260
All of
Intel ProSet AC 8265 Firmware
Intel AC 8265 Firmware
All of
Intel ProSet Wireless Software and Drivers for Ac 8260
Intel PROSet AC 8260
All of
Intel AC3168 Firmware
Intel AC 3168 Firmware
All of
Intel AC 7265
Intel AC 7265 Firmware
All of
Intel PROSet/Wireless Software for Intel Dual Band Wireless-AC 3165
Intel AC 3165 Firmware
All of
Intel Killer Wi-Fi 6E AX1675 Firmware
Intel AX1675 Firmware
All of
Intel Killer Wi-Fi 6 AX1650 firmware
Intel AX1650 Firmware
All of
Intel AC 1550 Firmware
Intel Killer Wireless-ac 1550
Intel Wi-Fi 6E AX210 firmware
Intel Wi-Fi 6 AX210
Intel Wi-Fi 6E AX201 Firmware
Intel AX201 Firmware
Intel AX200 Firmware
Intel AX200 Firmware
Intel AC 9560 Firmware
Intel Wireless-AC 9560
Intel PROSet AC 9462 Firmware
Intel ProSet AC 9462
Intel PROSet AC 9461 Firmware
Intel ProSet AC 9461
Intel ProSet AC 9260 Firmware
Intel PROSet Wireless for AC 9260
Intel ProSet AC 8265 Firmware
Intel AC 8265 Firmware
Intel ProSet Wireless Software and Drivers for Ac 8260
Intel PROSet AC 8260
Intel AC3168 Firmware
Intel AC 3168 Firmware
Intel AC 7265
Intel AC 7265 Firmware
Intel PROSet/Wireless Software for Intel Dual Band Wireless-AC 3165
Intel AC 3165 Firmware
Intel Killer Wi-Fi 6E AX1675 Firmware
Intel AX1675 Firmware
Intel Killer Wi-Fi 6 AX1650 firmware
Intel AX1650 Firmware
Intel AC 1550 Firmware
Intel Killer Wireless-ac 1550
debian/bluez
5.55-3.1+deb11u1
5.55-3.1+deb11u2
5.66-1+deb12u2
5.66-1+deb12u1
5.79-2
debian/linux
5.10.223-1
5.10.234-1
6.1.129-1
6.1.128-1
6.12.20-1
6.12.21-1

Remedy

Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2020-26558?

    CVE-2020-26558 is classified as a high severity vulnerability due to the potential for active impersonation attacks.

  • How do I fix CVE-2020-26558?

    To fix CVE-2020-26558, update the affected software packages to the specified versions or later, such as bluez version 5.57 or higher.

  • What software is affected by CVE-2020-26558?

    CVE-2020-26558 affects various versions of the bluez package and the Linux kernel, among others that implement Bluetooth Core Specification.

  • What type of attack is associated with CVE-2020-26558?

    CVE-2020-26558 is associated with impersonation attacks that can be executed by an active attacker during Bluetooth pairing processes.

  • Is CVE-2020-26558 limited to specific operating systems?

    CVE-2020-26558 impacts multiple operating systems including those using specific versions of the Linux Kernel and bluez packages.

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