CVE-2021-43400

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-43400
An issue was discovered in gatt-database.c in BlueZ 5.61. A use-after-free can occur when a client disconnects during D-Bus processing of a WriteValue call.

9.1 /10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

6.4 /10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 10.0 / Impact : 4.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

References
Link Resource
https://git.kernel.org/pub/scm/bluetooth/bluez.git/commit/?id=838c0dc7641e1c991c0f3027bf94bee4606012f8 Mailing List Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/10/msg00026.html Mailing List Third Party Advisory
https://git.kernel.org/pub/scm/bluetooth/bluez.git/commit/?id=838c0dc7641e1c991c0f3027bf94bee4606012f8 Mailing List Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/10/msg00026.html Mailing List Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:bluez:bluez:5.61:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
History

21 Nov 2024, 06:29

Type Values Removed Values Added
References () https://git.kernel.org/pub/scm/bluetooth/bluez.git/commit/?id=838c0dc7641e1c991c0f3027bf94bee4606012f8 - Mailing List, Patch, Third Party Advisory () https://git.kernel.org/pub/scm/bluetooth/bluez.git/commit/?id=838c0dc7641e1c991c0f3027bf94bee4606012f8 - Mailing List, Patch, Third Party Advisory
References () https://lists.debian.org/debian-lts-announce/2022/10/msg00026.html - Mailing List, Third Party Advisory () https://lists.debian.org/debian-lts-announce/2022/10/msg00026.html - Mailing List, Third Party Advisory

07 Nov 2022, 17:10

Type Values Removed Values Added
References (MLIST) https://lists.debian.org/debian-lts-announce/2022/10/msg00026.html - (MLIST) https://lists.debian.org/debian-lts-announce/2022/10/msg00026.html - Mailing List, Third Party Advisory
CPE cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

24 Oct 2022, 14:15

Type Values Removed Values Added
References
  • (MLIST) https://lists.debian.org/debian-lts-announce/2022/10/msg00026.html -

08 Nov 2021, 17:32

Type Values Removed Values Added
CWE CWE-416
CPE cpe:2.3:a:bluez:bluez:5.61:*:*:*:*:*:*:*
References (MISC) https://git.kernel.org/pub/scm/bluetooth/bluez.git/commit/?id=838c0dc7641e1c991c0f3027bf94bee4606012f8 - (MISC) https://git.kernel.org/pub/scm/bluetooth/bluez.git/commit/?id=838c0dc7641e1c991c0f3027bf94bee4606012f8 - Mailing List, Patch, Third Party Advisory
CVSS v2 : unknown
v3 : unknown 		v2 : 6.4
v3 : 9.1

04 Nov 2021, 23:15

Type Values Removed Values Added
New CVE
Information

Published : 2021-11-04 23:15

Updated : 2024-11-21 06:29

NVD link : CVE-2021-43400

Mitre link : CVE-2021-43400

CVE.ORG link : CVE-2021-43400

JSON object : View

Products Affected

debian

  • debian_linux

bluez

  • bluez
CWE
CWE-416

Use After Free