==========================================================================
Ubuntu Security Notice USN-6544-1
December 11, 2023

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

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

- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- 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 COFF files.
An attacker could possibly use this issue to cause a crash or execute
arbitrary code. This issue only affected Ubuntu 14.04 LTS. (CVE-2022-38533)

It was discovered that GNU binutils was not properly performing bounds
checks in several functions, which could lead to a buffer overflow. An
attacker could possibly use this issue to cause a denial of service,
expose sensitive information or execute arbitrary code. This issue only
affected Ubuntu 20.04 LTS and Ubuntu 22.04 LTS.
(CVE-2022-4285, CVE-2020-19726, CVE-2021-46174)

It was discovered that GNU binutils contained a reachable assertion, which
could lead to an intentional assertion failure when processing certain
crafted DWARF files. An attacker could possibly use this issue to cause a
denial of service. This issue only affected Ubuntu 20.04 LTS
and Ubuntu 22.04 LTS. (CVE-2022-35205)

Update instructions:

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

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

Ubuntu 20.04 LTS:
   binutils                        2.34-6ubuntu1.7
   binutils-multiarch              2.34-6ubuntu1.7

Ubuntu 14.04 LTS (Available with Ubuntu Pro):
   binutils                        2.24-5ubuntu14.2+esm6
   binutils-multiarch              2.24-5ubuntu14.2+esm6

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

References:
   https://ubuntu.com/security/notices/USN-6544-1
   CVE-2020-19726, CVE-2021-46174, CVE-2022-35205, CVE-2022-38533,
   CVE-2022-4285

Package Information:
   https://launchpad.net/ubuntu/+source/binutils/2.38-4ubuntu2.4
   https://launchpad.net/ubuntu/+source/binutils/2.34-6ubuntu1.7