USN-4989-2

Dashboard / Vulnerabilities / USN-4989-2

USN-4989-2

Summary: bluez vulnerabilities

Details: USN-4989-1 fixed several vulnerabilities in BlueZ. This update provides the corresponding update for Ubuntu 16.04 ESM. Original advisory details: It was discovered that BlueZ incorrectly checked certain permissions when pairing. A local attacker could possibly use this issue to impersonate devices. (CVE-2020-26558) Jay LV discovered that BlueZ incorrectly handled redundant disconnect MGMT events. A local attacker could use this issue to cause BlueZ to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-27153)

References: https://ubuntu.com/security/notices/USN-4989-2, https://ubuntu.com/security/CVE-2020-26558, https://ubuntu.com/security/CVE-2020-27153