Ubuntu alert USN-5243-1 (aide)

From:
             
 
Marc Deslauriers <marc.deslauriers@canonical.com>
To:
             
 
"ubuntu-security-announce@lists.ubuntu.com" <ubuntu-security-announce@lists.ubuntu.com>
Subject:
             
 
[USN-5243-1] AIDE vulnerability
Date:
             
 
Thu, 20 Jan 2022 10:59:08 -0500
Message-ID:
             
 
<11ba247a-2db2-5fee-3c66-07c31b2d3753@canonical.com>
==========================================================================
Ubuntu Security Notice USN-5243-1
January 20, 2022

aide vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 21.10
- Ubuntu 21.04
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

AIDE could be made to crash or run programs as an administrator if it
opened a specially crafted file.

Software Description:
- aide: Advanced Intrusion Detection Environment

Details:

David Bouman discovered that AIDE incorrectly handled base64 operations. A
local attacker could use this issue to cause AIDE to crash, resulting in a
denial of service, or possibly execute arbitrary code.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 21.10:
  aide                            0.17.3-4ubuntu0.1

Ubuntu 21.04:
  aide                            0.17.3-1ubuntu0.1

Ubuntu 20.04 LTS:
  aide                            0.16.1-1ubuntu0.1

Ubuntu 18.04 LTS:
  aide                            0.16-3ubuntu0.1

In general, a standard system update will make all the necessary changes.

References:
  https://ubuntu.com/security/notices/USN-5243-1
  CVE-2021-45417

Package Information:
  https://launchpad.net/ubuntu/+source/aide/0.17.3-4ubuntu0.1
  https://launchpad.net/ubuntu/+source/aide/0.17.3-1ubuntu0.1
  https://launchpad.net/ubuntu/+source/aide/0.16.1-1ubuntu0.1
  https://launchpad.net/ubuntu/+source/aide/0.16-3ubuntu0.1

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