[USN-6961-1] BusyBox vulnerabilities

[Octavio Galland]

==========================================================================
Ubuntu Security Notice USN-6961-1
August 14, 2024

busybox vulnerabilities
==========================================================================

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

- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS

Summary:

Several security issues were fixed in BusyBox.

Software Description:
- busybox: Tiny utilities for small and embedded systems

Details:

It was discovered that BusyBox did not properly validate user input when
performing certain arithmetic operations. If a user or automated system
were tricked into processing a specially crafted file, an attacker could
possibly use this issue to cause a denial of service, or execute arbitrary
code. (CVE-2022-48174)

It was discovered that BusyBox incorrectly managed memory when evaluating
certain awk expressions. An attacker could possibly use this issue to cause
a denial of service, or execute arbitrary code. This issue only affected
Ubuntu 24.04 LTS. (CVE-2023-42363, CVE-2023-42364, CVE-2023-42365)

Update instructions:

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

Ubuntu 24.04 LTS
   busybox                         1:1.36.1-6ubuntu3.1
   busybox-initramfs               1:1.36.1-6ubuntu3.1
   busybox-static                  1:1.36.1-6ubuntu3.1

Ubuntu 22.04 LTS
   busybox                         1:1.30.1-7ubuntu3.1
   busybox-initramfs               1:1.30.1-7ubuntu3.1
   busybox-static                  1:1.30.1-7ubuntu3.1

Ubuntu 20.04 LTS
   busybox                         1:1.30.1-4ubuntu6.5
   busybox-initramfs               1:1.30.1-4ubuntu6.5
   busybox-static                  1:1.30.1-4ubuntu6.5

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

References:
   https://ubuntu.com/security/notices/USN-6961-1
   CVE-2022-48174, CVE-2023-42363, CVE-2023-42364, CVE-2023-42365

Package Information:
   https://launchpad.net/ubuntu/+source/busybox/1:1.36.1-6ubuntu3.1
   https://launchpad.net/ubuntu/+source/busybox/1:1.30.1-7ubuntu3.1
   https://launchpad.net/ubuntu/+source/busybox/1:1.30.1-4ubuntu6.5

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