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Ubuntu: (CVE-2021-3429): cloud-init vulnerability

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Ubuntu: (CVE-2021-3429): cloud-init vulnerability

Severity
5
CVSS
(AV:L/AC:L/Au:S/C:C/I:N/A:N)
Published
04/19/2023
Created
11/21/2024
Added
11/19/2024
Modified
01/28/2025

Description

When instructing cloud-init to set a random password for a new user account, versions before 21.2 would write that password to the world-readable log file /var/log/cloud-init-output.log. This could allow a local user to log in as another user.

Solution(s)

  • ubuntu-upgrade-cloud-init

References

  • https://attackerkb.com/topics/cve-2021-3429
  • CVE - 2021-3429
  • https://www.cve.org/CVERecord?id=CVE-2021-3429
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  • 已创建
  • 最后回复

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