CVE-2021-3899

Affected: Canonical Ltd. Apport, apport

There is a race condition in the 'replaced executable' detection that, with the correct local configuration, allow an attacker to execute arbitrary code as root.

USN-5427-1 — apport vulnerabilities

Affected: Ubuntu:18.04:LTS: apport, Ubuntu:20.04:LTS: apport, Ubuntu:22.04:LTS: apport

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 a…

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CVE-2021-3899

USN-5427-1 — apport vulnerabilities