Advisory Published

USN-5427-1: Apport vulnerabilities

First published: Tue May 17 2022(Updated: )

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)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/python3-apport<2.20.11-0ubuntu82.1
2.20.11-0ubuntu82.1
Ubuntu Ubuntu=22.04
All of
ubuntu/apport<2.20.11-0ubuntu82.1
2.20.11-0ubuntu82.1
Ubuntu Ubuntu=22.04
All of
ubuntu/python3-apport<2.20.11-0ubuntu71.2
2.20.11-0ubuntu71.2
Ubuntu Ubuntu=21.10
All of
ubuntu/apport<2.20.11-0ubuntu71.2
2.20.11-0ubuntu71.2
Ubuntu Ubuntu=21.10
All of
ubuntu/python3-apport<2.20.11-0ubuntu27.24
2.20.11-0ubuntu27.24
Ubuntu Ubuntu=20.04
All of
ubuntu/apport<2.20.11-0ubuntu27.24
2.20.11-0ubuntu27.24
Ubuntu Ubuntu=20.04
All of
ubuntu/python3-apport<2.20.9-0ubuntu7.28
2.20.9-0ubuntu7.28
Ubuntu Ubuntu=18.04
All of
ubuntu/apport<2.20.9-0ubuntu7.28
2.20.9-0ubuntu7.28
Ubuntu Ubuntu=18.04

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