CVE-2021-3588

Public Exploit
memory contents disclosure in cli_feat_read_cb

Description

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.

Remediation

Solution:

  • https://git.kernel.org/pub/scm/bluetooth/bluez.git/commit/src/gatt-database.c?id=6a50b6aeda78a88eafb177718109c256eec077a6

Category

3.3
CVSS
Severity: Low
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.06%
Vendor Advisory gentoo.org
Affected: BlueZ BlueZ
Published at:
Updated at:

References

Link Tags
https://github.com/bluez/bluez/issues/70 exploit third party advisory patch
https://security.gentoo.org/glsa/202209-16 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-3588?
CVE-2021-3588 has been scored as a low severity vulnerability.
How to fix CVE-2021-3588?
To fix CVE-2021-3588: https://git.kernel.org/pub/scm/bluetooth/bluez.git/commit/src/gatt-database.c?id=6a50b6aeda78a88eafb177718109c256eec077a6
Is CVE-2021-3588 being actively exploited in the wild?
It is possible that CVE-2021-3588 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-3588?
CVE-2021-3588 affects BlueZ BlueZ.
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