Ubuntu update for docker.io



Published: 2021-10-04 | Updated: 2022-10-19
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-41089
CWE-ID CWE-281
Exploitation vector Local
Public exploit N/A
Vulnerable software
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Ubuntu
Operating systems & Components / Operating system

docker.io (Ubuntu package)
Operating systems & Components / Operating system package or component

Vendor Canonical Ltd.

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Improper Preservation of Permissions

EUVDB-ID: #VU64415

Risk: Low

CVSSv3.1: 5.5 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-41089

CWE-ID: CWE-281 - Improper preservation of permissions

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to application does not properly impose security restrictions, which leads to security restrictions bypass and privilege escalation.

Mitigation

Update the affected package docker.io to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 21.04

docker.io (Ubuntu package): before 20.10.7-0ubuntu1~21.04.2

External links

http://ubuntu.com/security/notices/USN-5103-1


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.



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