8.6

CVE-2020-27153

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Bluez ≫ Bluez Version < 5.55
Debian ≫ Debian Linux Version9.0
Debian ≫ Debian Linux Version10.0
Opensuse ≫ Leap Version15.1
Opensuse ≫ Leap Version15.2
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 4.07% 0.894
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 8.6 3.9 4.7
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
nvd@nist.gov 7.5 10 6.4
AV:N/AC:L/Au:N/C:P/I:P/A:P
134c704f-9b21-4f2e-91b3-4a467353bcc0 8.6 3.9 4.7
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
CWE-415 Double Free

The product calls free() twice on the same memory address.

http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00034.html
Third Party Advisory
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00036.html
Third Party Advisory
Mailing List
https://bugzilla.redhat.com/show_bug.cgi?id=1884817
Third Party Advisory
Issue Tracking
https://github.com/bluez/bluez/commit/1cd644db8c23a2f530ddb93cebed7dacc5f5721a
Patch
Third Party Advisory
https://github.com/bluez/bluez/commit/5a180f2ec9edfacafd95e5fed20d36fe8e077f07
Patch
Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/10/msg00022.html
Third Party Advisory
Mailing List
https://security.gentoo.org/glsa/202011-01
Third Party Advisory
https://www.debian.org/security/2021/dsa-4951
Third Party Advisory