Published: 15/10/2020 Updated: 05/04/2022

CVSS v2 Base Score: 7.5 | Impact Score: 6.4 | Exploitability Score: 10

CVSS v3 Base Score: 8.6 | Impact Score: 4.7 | Exploitability Score: 3.9

VMScore: 668

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

In BlueZ prior to 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.

Vulnerable Product	Search on Vulmon	Subscribe to Product
bluez bluez
debian debian linux 9.0
debian debian linux 10.0
opensuse leap 15.1
opensuse leap 15.2

Several vulnerabilities were discovered in Bluez, the Linux Bluetooth protocol stack CVE-2020-26558 / CVE-2021-0129 It was discovered that Bluez does not properly check permissions during pairing operation, which could allow an attacker to impersonate the initiating device CVE-2020-27153 Jay LV discovered a double free flaw in th ...

CWE-415 https://bugzilla.redhat.com/show_bug.cgi?id=1884817 https://github.com/bluez/bluez/commit/5a180f2ec9edfacafd95e5fed20d36fe8e077f07 https://github.com/bluez/bluez/commit/1cd644db8c23a2f530ddb93cebed7dacc5f5721a https://lists.debian.org/debian-lts-announce/2020/10/msg00022.html https://security.gentoo.org/glsa/202011-01 http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00034.html http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00036.html https://www.debian.org/security/2021/dsa-4951 https://nvd.nist.gov https://www.debian.org/security/2021/dsa-4951

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CVE-2020-27153

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