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AUSCERT External Security Bulletin Redistribution
ESB-2023.4078
USN-6236-1: ConnMan vulnerabilities
20 July 2023
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AusCERT Security Bulletin Summary
---------------------------------
Product: ConnMan
Publisher: Ubuntu
Operating System: Ubuntu
Resolution: Patch/Upgrade
CVE Names: CVE-2023-28488 CVE-2022-32293 CVE-2022-32292
CVE-2022-23098 CVE-2022-23097 CVE-2022-23096
CVE-2021-33833 CVE-2021-26676 CVE-2021-26675
Original Bulletin:
https://ubuntu.com/security/notices/USN-6236-1
Comment: CVSS (Max): 9.8 CVE-2022-32292 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
CVSS Source: NVD
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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USN-6236-1: ConnMan vulnerabilities
19 July 2023
Several security issues were fixed in ConnMan.
Releases
o Ubuntu 23.04
o Ubuntu 22.04 LTS
o Ubuntu 20.04 LTS
o Ubuntu 18.04 ESM
o Ubuntu 16.04 ESM
Packages
o connman - Intel Connection Manager daemon
Details
It was discovered that ConnMan could be made to write out of bounds. A
remote attacker could possibly use this issue to cause ConnMan to crash,
resulting in a denial of service, or possibly execute arbitrary code. This
issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.
( CVE-2021-26675 , CVE-2021-33833 )
It was discovered that ConnMan could be made to leak sensitive information
via the gdhcp component. A remote attacker could possibly use this issue
to obtain information for further exploitation. This issue only affected
Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. ( CVE-2021-26676 )
It was discovered that ConnMan could be made to read out of bounds. A
remote attacker could possibly use this issue to case ConnMan to crash,
resulting in a denial of service. This issue only affected Ubuntu 16.04
LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS.
( CVE-2022-23096 , CVE-2022-23097 )
It was discovered that ConnMan could be made to run into an infinite loop.
A remote attacker could possibly use this issue to cause ConnMan to
consume resources and to stop operating, resulting in a denial of service.
This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04
LTS, and Ubuntu 22.04 LTS. ( CVE-2022-23098 )
It was discovered that ConnMan could be made to write out of bounds via
the gweb component. A remote attacker could possibly use this issue to
cause ConnMan to crash, resulting in a denial of service, or possibly
execute arbitrary code. This issue only affected Ubuntu 16.04 LTS, Ubuntu
18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS. ( CVE-2022-32292 )
It was discovered that ConnMan did not properly manage memory under
certain circumstances. A remote attacker could possibly use this issue to
cause ConnMan to crash, resulting in a denial of service, or possibly
execute arbitrary code. This issue only affected Ubuntu 16.04 LTS, Ubuntu
18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS. ( CVE-2022-32293 )
It was discovered that ConnMan could be made to write out of bounds via
the gdhcp component. A remote attacker could possibly use this issue to
cause ConnMan to crash, resulting in a denial of service, or possibly
execute arbitrary code. ( CVE-2023-28488 )
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 23.04
o connman - 1.41-2ubuntu0.23.04.1
Ubuntu 22.04
o connman - 1.36-2.3ubuntu0.1
Ubuntu 20.04
o connman - 1.36-2ubuntu0.1
Ubuntu 18.04
o connman - 1.35-6ubuntu0.1~esm1
Available with Ubuntu Pro
Ubuntu 16.04
o connman - 1.21-1.2+deb8u1ubuntu0.1~esm1
Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.
References
o CVE-2021-26676
o CVE-2022-32293
o CVE-2023-28488
o CVE-2022-23098
o CVE-2021-26675
o CVE-2021-33833
o CVE-2022-23097
o CVE-2022-23096
o CVE-2022-32292
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