==========================================================================
Ubuntu Security Notice USN-6756-1
April 29, 2024

less vulnerability
==========================================================================

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

- Ubuntu 24.04 LTS
- Ubuntu 23.10
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

less could be made run programs as your login if it opened a specially
crafted file.

Software Description:
- less: pager program similar to more

Details:

It was discovered that less mishandled newline characters in file names. If
a user or automated system were tricked into opening specially crafted
files, an attacker could possibly use this issue to execute arbitrary
commands on the host.

Update instructions:

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

Ubuntu 24.04 LTS
   less                            590-2ubuntu2.1

Ubuntu 23.10
   less                            590-2ubuntu0.23.10.2

Ubuntu 22.04 LTS
   less                            590-1ubuntu0.22.04.3

Ubuntu 20.04 LTS
   less                            551-1ubuntu0.3

Ubuntu 18.04 LTS
   less                            487-0.1ubuntu0.1~esm2
                                   Available with Ubuntu Pro

Ubuntu 16.04 LTS
   less                            481-2.1ubuntu0.2+esm2
                                   Available with Ubuntu Pro

Ubuntu 14.04 LTS
   less                            458-2ubuntu0.1~esm1
                                   Available with Ubuntu Pro

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

References:
   https://ubuntu.com/security/notices/USN-6756-1
   CVE-2024-32487

Package Information:
   https://launchpad.net/ubuntu/+source/less/590-2ubuntu2.1
   https://launchpad.net/ubuntu/+source/less/590-2ubuntu0.23.10.2
   https://launchpad.net/ubuntu/+source/less/590-1ubuntu0.22.04.3
   https://launchpad.net/ubuntu/+source/less/551-1ubuntu0.3

Ubuntu 6756-1: less Security Advisory Updates

April 29, 2024
less could be made run programs as your login if it opened a specially crafted file.

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 24.04 LTS - Ubuntu 23.10 - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS - Ubuntu 14.04 LTS Summary: less could be made run programs as your login if it opened a specially crafted file. Software Description: - less: pager program similar to more Details: It was discovered that less mishandled newline characters in file names. If a user or automated system were tricked into opening specially crafted files, an attacker could possibly use this issue to execute arbitrary commands on the host.

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 24.04 LTS   less                            590-2ubuntu2.1 Ubuntu 23.10   less                            590-2ubuntu0.23.10.2 Ubuntu 22.04 LTS   less                            590-1ubuntu0.22.04.3 Ubuntu 20.04 LTS   less                            551-1ubuntu0.3 Ubuntu 18.04 LTS   less                            487-0.1ubuntu0.1~esm2                                   Available with Ubuntu Pro Ubuntu 16.04 LTS   less                            481-2.1ubuntu0.2+esm2                                   Available with Ubuntu Pro Ubuntu 14.04 LTS   less                            458-2ubuntu0.1~esm1                                   Available with Ubuntu Pro In general, a standard system update will make all the necessary changes.

References

  https://ubuntu.com/security/notices/USN-6756-1

  CVE-2024-32487

Severity
Ubuntu Security Notice USN-6756-1

Package Information

  https://launchpad.net/ubuntu/+source/less/590-2ubuntu2.1   https://launchpad.net/ubuntu/+source/less/590-2ubuntu0.23.10.2   https://launchpad.net/ubuntu/+source/less/590-1ubuntu0.22.04.3   https://launchpad.net/ubuntu/+source/less/551-1ubuntu0.3

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