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CVE-2022-28655

is_closing_session() allows users to create arbitrary tcp dbus connections

7.1 HighFix available

CVE-2022-28655 is a high vulnerability (CVSS 7.1) in Apport Project Apport, published May 17, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.21%, the 10th percentile. Fixed in apport 2.20.1-0ubuntu2.30+esm4.

is_closing_session() allows users to create arbitrary tcp dbus connections

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
High
Availability
High

Exploit likelihood

0.21%Up 0.2 points since Jun 6, 2024
90%50%10%1%

What each source reports

NVD Score used 7.1

is_closing_session() allows users to create arbitrary tcp dbus connections

Record
CVE-2022-28655
CVSS 3.1
7.1 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Weakness
CWE-770
Updated
2026-11-02
CVE List 7.1

is_closing_session() allows users to create arbitrary tcp dbus connections

Record
CVE-2022-28655
CVSS 3.1
7.1 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Weakness
CWE-770
Updated
2026-11-02
EUVDEUVD-2022-33097 7.1

is_closing_session() allows users to create arbitrary tcp dbus connections

Record
EUVD-2022-33097
CVSS 3.1
7.1 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Updated
2026-11-03
GitHub AdvisoriesGHSA-8jm9-f4h8-qchf 7.1

is_closing_session() allows users to create arbitrary tcp dbus connections

is_closing_session() allows users to create arbitrary tcp dbus connections

Record
GHSA-8jm9-f4h8-qchf
CVSS 3.1
7.1 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Weakness
CWE-770
Updated
2026-11-02
OSV 7.1

is_closing_session() allows users to create arbitrary tcp dbus connections

Record
CVE-2022-28655
CVSS 3.1
7.1 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2022-28655 7.1

is_closing_session() allows users to create arbitrary tcp dbus connections

Record
UBUNTU-CVE-2022-28655
CVSS 3.1
7.1 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Updated
2026-11-02
OSVUSN-5427-1 No score

apport vulnerabilities

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)

Record
USN-5427-1
Updated
2026-11-02
OSVUSN-6894-1 No score

apport vulnerabilities

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 a 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)

Record
USN-6894-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
apport
Ubuntu:Pro:14.04:LTS
All versions, plus listed versions
2.12.5-0ubuntu22.12.6-0ubuntu12.12.7-0ubuntu12.12.7-0ubuntu22.12.7-0ubuntu3
Show 45 moreShow less
2.12.7-0ubuntu62.13.1-0ubuntu12.13.1-0ubuntu22.13.2-0ubuntu22.13.2-0ubuntu32.13.2-0ubuntu42.13.2-0ubuntu52.13.3-0ubuntu12.14-0ubuntu12.14.1-0ubuntu12.14.1-0ubuntu22.14.1-0ubuntu32.14.1-0ubuntu3.12.14.1-0ubuntu3.22.14.1-0ubuntu3.32.14.1-0ubuntu3.42.14.1-0ubuntu3.52.14.1-0ubuntu3.62.14.1-0ubuntu3.72.14.1-0ubuntu3.82.14.1-0ubuntu3.92.14.1-0ubuntu3.102.14.1-0ubuntu3.112.14.1-0ubuntu3.122.14.1-0ubuntu3.132.14.1-0ubuntu3.152.14.1-0ubuntu3.162.14.1-0ubuntu3.182.14.1-0ubuntu3.192.14.1-0ubuntu3.202.14.1-0ubuntu3.212.14.1-0ubuntu3.232.14.1-0ubuntu3.242.14.1-0ubuntu3.252.14.1-0ubuntu3.272.14.1-0ubuntu3.282.14.1-0ubuntu3.292.14.1-0ubuntu3.29+esm12.14.1-0ubuntu3.29+esm22.14.1-0ubuntu3.29+esm32.14.1-0ubuntu3.29+esm42.14.1-0ubuntu3.29+esm52.14.1-0ubuntu3.29+esm62.14.1-0ubuntu3.29+esm72.14.1-0ubuntu3.29+esm8
None known
apport
Ubuntu:Pro:16.04:LTS
before 2.20.1-0ubuntu2.30+esm4, plus listed versions
2.19.1-0ubuntu32.19.2-0ubuntu12.19.2-0ubuntu22.19.2-0ubuntu32.19.2-0ubuntu4
Show 41 moreShow less
2.19.2-0ubuntu52.19.2-0ubuntu62.19.2-0ubuntu82.19.2-0ubuntu92.19.3-0ubuntu12.19.3-0ubuntu22.19.3-0ubuntu32.19.4-0ubuntu12.19.4-0ubuntu22.20-0ubuntu22.20-0ubuntu32.20.1-0ubuntu12.20.1-0ubuntu22.20.1-0ubuntu2.12.20.1-0ubuntu2.22.20.1-0ubuntu2.42.20.1-0ubuntu2.52.20.1-0ubuntu2.62.20.1-0ubuntu2.92.20.1-0ubuntu2.102.20.1-0ubuntu2.122.20.1-0ubuntu2.132.20.1-0ubuntu2.142.20.1-0ubuntu2.152.20.1-0ubuntu2.162.20.1-0ubuntu2.172.20.1-0ubuntu2.182.20.1-0ubuntu2.192.20.1-0ubuntu2.202.20.1-0ubuntu2.212.20.1-0ubuntu2.222.20.1-0ubuntu2.232.20.1-0ubuntu2.242.20.1-0ubuntu2.252.20.1-0ubuntu2.262.20.1-0ubuntu2.272.20.1-0ubuntu2.282.20.1-0ubuntu2.302.20.1-0ubuntu2.30+esm12.20.1-0ubuntu2.30+esm22.20.1-0ubuntu2.30+esm3
2.20.1-0ubuntu2.30+esm4
apport
Ubuntu:18.04:LTS
before 2.20.9-0ubuntu7.28, plus listed versions
2.20.7-0ubuntu32.20.7-0ubuntu3.12.20.7-0ubuntu42.20.8-0ubuntu12.20.8-0ubuntu2
Show 38 moreShow less
2.20.8-0ubuntu32.20.8-0ubuntu42.20.8-0ubuntu52.20.8-0ubuntu62.20.8-0ubuntu72.20.8-0ubuntu82.20.8-0ubuntu92.20.8-0ubuntu102.20.9-0ubuntu12.20.9-0ubuntu22.20.9-0ubuntu42.20.9-0ubuntu52.20.9-0ubuntu62.20.9-0ubuntu72.20.9-0ubuntu7.12.20.9-0ubuntu7.22.20.9-0ubuntu7.32.20.9-0ubuntu7.42.20.9-0ubuntu7.52.20.9-0ubuntu7.62.20.9-0ubuntu7.72.20.9-0ubuntu7.82.20.9-0ubuntu7.92.20.9-0ubuntu7.112.20.9-0ubuntu7.122.20.9-0ubuntu7.132.20.9-0ubuntu7.142.20.9-0ubuntu7.152.20.9-0ubuntu7.162.20.9-0ubuntu7.172.20.9-0ubuntu7.182.20.9-0ubuntu7.192.20.9-0ubuntu7.202.20.9-0ubuntu7.212.20.9-0ubuntu7.232.20.9-0ubuntu7.242.20.9-0ubuntu7.262.20.9-0ubuntu7.27
2.20.9-0ubuntu7.28
apport
Ubuntu:20.04:LTS
before 2.20.11-0ubuntu27.24, plus listed versions
2.20.11-0ubuntu82.20.11-0ubuntu92.20.11-0ubuntu132.20.11-0ubuntu142.20.11-0ubuntu15
Show 28 moreShow less
2.20.11-0ubuntu162.20.11-0ubuntu172.20.11-0ubuntu182.20.11-0ubuntu192.20.11-0ubuntu202.20.11-0ubuntu212.20.11-0ubuntu222.20.11-0ubuntu242.20.11-0ubuntu252.20.11-0ubuntu262.20.11-0ubuntu272.20.11-0ubuntu27.22.20.11-0ubuntu27.32.20.11-0ubuntu27.42.20.11-0ubuntu27.62.20.11-0ubuntu27.82.20.11-0ubuntu27.92.20.11-0ubuntu27.102.20.11-0ubuntu27.112.20.11-0ubuntu27.122.20.11-0ubuntu27.132.20.11-0ubuntu27.142.20.11-0ubuntu27.162.20.11-0ubuntu27.172.20.11-0ubuntu27.182.20.11-0ubuntu27.202.20.11-0ubuntu27.212.20.11-0ubuntu27.23
2.20.11-0ubuntu27.24
apport
Ubuntu:22.04:LTS
before 2.20.11-0ubuntu82.1, plus listed versions
2.20.11-0ubuntu702.20.11-0ubuntu732.20.11-0ubuntu742.20.11-0ubuntu752.20.11-0ubuntu76
Show 6 moreShow less
2.20.11-0ubuntu772.20.11-0ubuntu782.20.11-0ubuntu792.20.11-0ubuntu802.20.11-0ubuntu812.20.11-0ubuntu82
2.20.11-0ubuntu82.1

History

History
WhenChangedSources
2026-11-03aliases, productsEUVD
2026-11-02createdCVE List, GitHub Advisories, NVD, OSV

References

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