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High USN-5427-1 8 CVEs

apport vulnerabilities

Published May 17, 2022 · Updated Apr 27, 2026

Summary

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)

Fixed packages 3

ReleasePackageFixed in
Ubuntu · 18.04 LTS 18.04:LTS apport 2.20.9-0ubuntu7.28
Ubuntu · 20.04 LTS 20.04:LTS apport 2.20.11-0ubuntu27.24
Ubuntu · 22.04 LTS 22.04:LTS apport 2.20.11-0ubuntu82.1

Vulnerabilities 8

References

  • report
    https://ubuntu.com/security/CVE-2021-3899
  • report
    https://ubuntu.com/security/CVE-2022-1242
  • report
    https://ubuntu.com/security/CVE-2022-28652
  • report
    https://ubuntu.com/security/CVE-2022-28654
  • report
    https://ubuntu.com/security/CVE-2022-28655
  • report
    https://ubuntu.com/security/CVE-2022-28656
  • report
    https://ubuntu.com/security/CVE-2022-28657
  • report
    https://ubuntu.com/security/CVE-2022-28658