CVE-2021-3588: memory contents disclosure in cli_feat_read_cb
First published: Thu Jun 10 2021(Updated: )
Last updated 24 July 2024
Credit: security@ubuntu.com security@ubuntu.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| BlueZ BlueZ | <5.56 | |
| debian/bluez | 5.55-3.1+deb11u1 5.55-3.1+deb11u2 5.66-1+deb12u2 5.66-1+deb12u1 5.79-1 |
Remedy
https://git.kernel.org/pub/scm/bluetooth/bluez.git/commit/src/gatt-database.c?id=6a50b6aeda78a88eafb177718109c256eec077a6
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Reference Links
- https://github.com/bluez/bluez/issues/70
- https://security.gentoo.org/glsa/202209-16
- https://launchpad.net/bugs/cve/CVE-2021-3588
- https://bugs.launchpad.net/ubuntu/+source/bluez/+bug/1926548
- https://git.kernel.org/pub/scm/bluetooth/bluez.git/commit/?id=3a40bef49305f8327635b81ac8be52a3ca063d5a
- https://security-tracker.debian.org/tracker/CVE-2021-3588
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3588
- https://nvd.nist.gov/vuln/detail/CVE-2021-3588
- https://ubuntu.com/security/CVE-2021-3588
Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2021-3588.
What is the affected software?
The affected software is bluez.
What is the severity of CVE-2021-3588?
The severity of CVE-2021-3588 is not specified.
How does this vulnerability occur?
The vulnerability occurs due to the lack of bounds checks on the 'offset' variable in the cli_feat_read_cb() function.
How can I fix this vulnerability?
To fix this vulnerability, update bluez to version 5.53-0ubuntu3.2 or later.
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