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CVE-2021-3588

Published: 10 June 2021

The cli_feat_read_cb() function in src/gatt-database.c does not perform bounds checks on the 'offset' variable before using it as an index into an array for reading.

Priority

Medium

Cvss 3 Severity Score

3.3

Score breakdown

Status

Package Release Status
bluez
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code not present)
focal
Released (5.53-0ubuntu3.2)
groovy
Released (5.55-0ubuntu1.2)
hirsute Not vulnerable
(5.56-0ubuntu4)
jammy Not vulnerable
(5.58-0ubuntu1)
trusty Does not exist

upstream
Released (5.56)
xenial Not vulnerable
(code not present)
impish Not vulnerable
(5.58-0ubuntu1)
Patches:
upstream: https://git.kernel.org/pub/scm/bluetooth/bluez.git/commit/?id=3a40bef49305f8327635b81ac8be52a3ca063d5a (minimal)
upstream: https://git.kernel.org/pub/scm/bluetooth/bluez.git/commit/?id=87184a20cfcfe1523926a2e4a724c1a01c7ae0fb
upstream: https://git.kernel.org/pub/scm/bluetooth/bluez.git/commit/?id=6a50b6aeda78a88eafb177718109c256eec077a6

Severity score breakdown

Parameter Value
Base score 3.3
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality Low
Integrity impact None
Availability impact None
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N