==========================================================================
Ubuntu Security Notice USN-6101-1
May 24, 2023

binutils vulnerabilities
==========================================================================

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

- Ubuntu 23.04
- Ubuntu 22.10
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS (Available with Ubuntu Pro)
- Ubuntu 14.04 LTS (Available with Ubuntu Pro)

Summary:

Several security issues were fixed in GNU binutils.

Software Description:
- binutils: GNU assembler, linker and binary utilities

Details:

It was discovered that GNU binutils incorrectly handled certain DWARF
files. An attacker could possibly use this issue to cause a crash or
execute arbitrary code. This issue only affected Ubuntu 22.10.
(CVE-2023-1579)

It was discovered that GNU binutils did not properly verify the version
definitions in zer0-lengthverdef table. An attacker could possibly use this
issue to cause a crash or execute arbitrary code. This issue only affected
Ubuntu 22.04 LTS, Ubuntu 22.10 and Ubuntu 23.04. (CVE-2023-1972)

It was discovered that GNU binutils did not properly validate the size of
length parameter in vms-alpha. An attacker could possibly use this issue to
cause a crash or access sensitive information. This issue only affected
Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS and Ubuntu 22.10.
(CVE-2023-25584)

It was discovered that GNU binutils did not properly initialized the
file_table field of struct module and the_bfd field of asymbol. An attacker
could possibly use this issue to cause a crash. This issue only affected
Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and
Ubuntu 22.04 LTS. (CVE-2023-25585, CVE-2023-25586)

Update instructions:

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

Ubuntu 23.04:
  binutils                        2.40-2ubuntu4.1
  binutils-multiarch              2.40-2ubuntu4.1

Ubuntu 22.10:
  binutils                        2.39-3ubuntu1.2
  binutils-multiarch              2.39-3ubuntu1.2

Ubuntu 22.04 LTS:
  binutils                        2.38-4ubuntu2.2
  binutils-multiarch              2.38-4ubuntu2.2

Ubuntu 20.04 LTS:
  binutils                        2.34-6ubuntu1.5
  binutils-multiarch              2.34-6ubuntu1.5

Ubuntu 18.04 LTS:
  binutils                        2.30-21ubuntu1~18.04.9
  binutils-multiarch              2.30-21ubuntu1~18.04.9

Ubuntu 16.04 LTS (Available with Ubuntu Pro):
  binutils                        2.26.1-1ubuntu1~16.04.8+esm6
  binutils-multiarch              2.26.1-1ubuntu1~16.04.8+esm6

Ubuntu 14.04 LTS (Available with Ubuntu Pro):
  binutils                        2.24-5ubuntu14.2+esm1
  binutils-multiarch              2.24-5ubuntu14.2+esm1

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

References:
  https://ubuntu.com/security/notices/USN-6101-1
  CVE-2023-1579, CVE-2023-1972, CVE-2023-25584, CVE-2023-25585,
  CVE-2023-25588

Package Information:
  https://launchpad.net/ubuntu/+source/binutils/2.40-2ubuntu4.1
  https://launchpad.net/ubuntu/+source/binutils/2.39-3ubuntu1.2
  https://launchpad.net/ubuntu/+source/binutils/2.38-4ubuntu2.2
  https://launchpad.net/ubuntu/+source/binutils/2.34-6ubuntu1.5
  https://launchpad.net/ubuntu/+source/binutils/2.30-21ubuntu1~18.04.9