#VU63367 Allocation of Resources Without Limits or Throttling in apport (Ubuntu package) and python3-apport (Ubuntu package) - CVE-2022-28654


| Updated: 2022-05-19

Vulnerability identifier: #VU63367

Vulnerability risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-28654

CWE-ID: CWE-770

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
apport (Ubuntu package)
Operating systems & Components / Operating system package or component
python3-apport (Ubuntu package)
Operating systems & Components / Operating system package or component

Vendor: Canonical Ltd.

Description

The vulnerability allows a local user to perform a denial of service attack.

The vulnerability exists due to not limiting the amount of logging from D-Bus connections. A local user can fill up the Apport log file and cause denial of service.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

apport (Ubuntu package): before 2.20.9-0ubuntu7.28

python3-apport (Ubuntu package): before 2.20.9-0ubuntu7.28

External links
https://ubuntu.com/security/notices/USN-5427-1

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability


Ubuntu update for apport
Ubuntu update for apport