#VU22530 Race condition in apport (Ubuntu package) - CVE-2019-11482

Vulnerability identifier: #VU22530

Vulnerability risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2019-11482

CWE-ID: CWE-362

Exploitation vector: Local

Exploit availability: No

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

Vendor: Canonical Ltd.

Description

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to a race condition. A local user can force the Apport application to generate a crash report for a privileged process and make it readable to an unprivileged user.

Mitigation
Update the affected packages.

Ubuntu 19.10

apport - 2.20.11-0ubuntu8.2

python-apport - 2.20.11-0ubuntu8.2

python3-apport - 2.20.11-0ubuntu8.2

Ubuntu 19.04

apport - 2.20.10-0ubuntu27.3

python-apport - 2.20.10-0ubuntu27.3

python3-apport - 2.20.10-0ubuntu27.3

Ubuntu 18.04 LTS

apport - 2.20.9-0ubuntu7.9

python-apport - 2.20.9-0ubuntu7.9

python3-apport - 2.20.9-0ubuntu7.9

Ubuntu 16.04 LTS

apport - 2.20.1-0ubuntu2.21

python-apport - 2.20.1-0ubuntu2.21

python3-apport - 2.20.1-0ubuntu2.21

Vulnerable software versions

apport (Ubuntu package): 2.20.0 - 2.20.11-0ubuntu8.1

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External links
https://usn.ubuntu.com/4171-3/

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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.