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AUSCERT External Security Bulletin Redistribution
ESB-2022.2432
USN-5427-1: Apport vulnerabilities
18 May 2022
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AusCERT Security Bulletin Summary
---------------------------------
Product: Apport
Publisher: Ubuntu
Operating System: Ubuntu
Resolution: Patch/Upgrade
CVE Names: CVE-2022-28658 CVE-2022-28657 CVE-2022-28656
CVE-2022-28655 CVE-2022-28654 CVE-2022-28652
CVE-2022-1242 CVE-2021-3899
Original Bulletin:
https://ubuntu.com/security/notices/USN-5427-1
Comment: CVSS (Max): None available when published
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USN-5427-1: Apport vulnerabilities
17 May 2022
Several security issues were fixed in Apport.
Releases
o Ubuntu 22.04 LTS
o Ubuntu 21.10
o Ubuntu 20.04 LTS
o Ubuntu 18.04 LTS
Packages
o apport - automatically generate crash reports for debugging
Details
Muqing Liu and neoni discovered that Apport incorrectly handled detecting
if an executable was replaced after a crash. A local attacker could
possibly use this issue to execute arbitrary code as the root user.
( CVE-2021-3899 )
Gerrit Venema discovered that Apport incorrectly handled connections to
Apport sockets inside containers. A local attacker could possibly use this
issue to connect to arbitrary sockets as the root user. ( CVE-2022-1242 )
Gerrit Venema discovered that Apport incorrectly handled user settings
files. A local attacker could possibly use this issue to cause Apport to
consume resources, leading to a denial of service. ( CVE-2022-28652 )
Gerrit Venema discovered that Apport did not limit the amount of logging
from D-Bus connections. A local attacker could possibly use this issue to
fill up the Apport log file, leading to denial of service. ( CVE-2022-28654 )
Gerrit Venema discovered that Apport did not filter D-Bus connection
strings. A local attacker could possibly use this issue to cause Apport to
make arbitrary network connections. ( CVE-2022-28655 )
Gerrit Venema discovered that Apport did not limit the amount of memory
being consumed during D-Bus connections. A local attacker could possibly
use this issue to cause Apport to consume memory, leading to a denial of
service. ( CVE-2022-28656 )
Gerrit Venema discovered that Apport did not disable the python crash
handler before chrooting into a container. A local attacker could possibly
use this issue to execute arbitrary code. ( CVE-2022-28657 )
Gerrit Venema discovered that Apport incorrectly handled filename argument
whitespace. A local attacker could possibly use this issue to spoof
arguments to the Apport daemon. ( CVE-2022-28658 )
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 22.04
o python3-apport - 2.20.11-0ubuntu82.1
o apport - 2.20.11-0ubuntu82.1
Ubuntu 21.10
o python3-apport - 2.20.11-0ubuntu71.2
o apport - 2.20.11-0ubuntu71.2
Ubuntu 20.04
o python3-apport - 2.20.11-0ubuntu27.24
o apport - 2.20.11-0ubuntu27.24
Ubuntu 18.04
o python3-apport - 2.20.9-0ubuntu7.28
o apport - 2.20.9-0ubuntu7.28
In general, a standard system update will make all the necessary changes.
References
o CVE-2022-28652
o CVE-2022-28658
o CVE-2022-28655
o CVE-2022-28654
o CVE-2021-3899
o CVE-2022-28657
o CVE-2022-28656
o CVE-2022-1242
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