QID 670986

Date Published: 2021-11-24

QID 670986: EulerOS Security Update for bluez (EulerOS-SA-2021-2573)

Utilities for use in Bluetooth applications: - hcitool - hciattach - hciconfig - bluetoothd - l2ping - rfcomm - sdptool - bccmd - bluetoothctl - btmon - hcidump - l2test - rctest - gatttool - start scripts (Red Hat) - pcmcia configuration files The BLUETOOTH trademarks are owned by Bluetooth SIG, Inc., U.S.A. Security Fix(es): In BlueZ before 5.55, a double free was found in the gatttool disconnect_cb() routine from shared/att.c. A remote attacker could potentially cause a denial of service or code execution, during service discovery, due to a redundant disconnect MGMT event(CVE-2020-27153)
Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

An arbitrary attacker may exploit this vulnerability to compromise the system.

  • CVSS V3 rated as Critical - 8.6 severity.
  • CVSS V2 rated as High - 7.5 severity.
    • Solution
    The Vendor has released a security update to fix the vulnerability. For more information please visit EulerOS-SA-2021-2573 for updates and patch information
    Vendor References

    CVEs related to QID 670986

    CVE-2020-27153 |
    Software Advisories
    Advisory ID Software Component Link
    EulerOS-SA-2021-2573 EulerOS V2.0SP3 URL Logo developer.huaweicloud.com/ict/en/site-euleros/euleros/security-advisories/EulerOS-SA-2021-2573
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