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HistoryJun 26, 2021 - 11:26 p.m.

[SECURITY] [DLA 2692-1] bluez security update

2021-06-2623:26:46
lists.debian.org
61
bluez
security update
kernel
debian 9 stretch

CVSS2

4.3

Attack Vector

ADJACENT_NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:A/AC:M/Au:N/C:P/I:P/A:N

CVSS3

5.7

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

AI Score

7.2

Confidence

Low

EPSS

0.001

Percentile

29.8%


Debian LTS Advisory DLA-2692-1 [email protected]
https://www.debian.org/lts/security/ Thorsten Alteholz
June 27, 2021 https://wiki.debian.org/LTS


Package : bluez
Version : 5.43-2+deb9u4
CVE ID : CVE-2020-26558 CVE-2021-0129

Two issues have been found in bluez, a package with Bluetooth tools and
daemons. One issue is about a man-in-the-middle attack during secure
pairing, the other is about information disclosure due to improper access
control.

In order to completely fix both issues, you need an updated kernel as
well! For Debian 9 Stretch this has been uploaded some days ago.

For Debian 9 stretch, these problems have been fixed in version
5.43-2+deb9u4.

We recommend that you upgrade your bluez packages.

For the detailed security status of bluez please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/bluez

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS

CVSS2

4.3

Attack Vector

ADJACENT_NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:A/AC:M/Au:N/C:P/I:P/A:N

CVSS3

5.7

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

AI Score

7.2

Confidence

Low

EPSS

0.001

Percentile

29.8%