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Ubuntu Security Notice USN-6361-2

Ubuntu Security Notice 6361-2 - USN-6361-1 fixed a vulnerability in CUPS. This update provides the corresponding updates for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. It was discovered that CUPS incorrectly authenticated certain remote requests. A remote attacker could possibly use this issue to obtain recently printed documents.

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Ubuntu Security Notice USN-6361-2
September 26, 2023

cups vulnerability

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

  • Ubuntu 18.04 LTS (Available with Ubuntu Pro)
  • Ubuntu 16.04 LTS (Available with Ubuntu Pro)

Summary:

CUPS could be made to expose sensitive information.

Software Description:

  • cups: Common UNIX Printing System™

Details:

USN-6361-1 fixed a vulnerability in CUPS. This update provides the
corresponding updates for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.

Original advisory details:

It was discovered that CUPS incorrectly authenticated certain remote
requests. A remote attacker could possibly use this issue to obtain
recently printed documents.

Update instructions:

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

Ubuntu 18.04 LTS (Available with Ubuntu Pro):
cups 2.2.7-1ubuntu2.10+esm3

Ubuntu 16.04 LTS (Available with Ubuntu Pro):
cups 2.1.3-4ubuntu0.11+esm5

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

References:
https://ubuntu.com/security/notices/USN-6361-2
https://ubuntu.com/security/notices/USN-6361-1
CVE-2023-32360

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