UBUNTU-CVE-2020-27153
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UBUNTU-CVE-2020-27153
Published: 15 Oct 2020Last Modified: 27 Apr 2026
Upstream:
Aliases:
Summary:
Details: 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.
References: https://ubuntu.com/security/CVE-2020-27153, https://github.com/bluez/bluez/commit/5a180f2ec9edfacafd95e5fed20d36fe8e077f07, https://ubuntu.com/security/notices/USN-4989-1, https://ubuntu.com/security/notices/USN-4989-2, https://www.cve.org/CVERecord?id=CVE-2020-27153
Affected packages
Package
Name: bluez
Purl: pkg:deb/ubuntu/[email protected]+esm1?arch=source&distro=esm-infra/xenial
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- 0
Fixed -5.37-0ubuntu5.3+esm1
Affected versions
5.35-0ubuntu2
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
