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USN-5243-2: AIDE vulnerability

20 January 2022

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



  • aide - Advanced Intrusion Detection Environment - static binary


USN-5243-1 fixed a vulnerability in aide. This update provides
the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.

Original advisory 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 16.04
Ubuntu 14.04

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


Related notices

  • USN-5243-1: aide-common, aide, aide-xen, aide-dynamic