==========================================================================
Ubuntu Security Notice USN-5148-1
November 16, 2021

hivex vulnerability
==========================================================================

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

- Ubuntu 21.10
- Ubuntu 21.04
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

hivex could be made to crash or leak information if it received specially
crafted input.

Software Description:
- hivex: utilities for reading and writing Windows Registry hives

Details:

It was discovered that hivex incorrectly handled certain input. An attacker
could use this vulnerability to cause a crash or obtain sensitive information.

Update instructions:

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

Ubuntu 21.10:
  libhivex-bin                    1.3.19-1ubuntu3.21.10.1
  libhivex0                       1.3.19-1ubuntu3.21.10.1

Ubuntu 21.04:
  libhivex-bin                    1.3.19-1ubuntu3.21.04.1
  libhivex0                       1.3.19-1ubuntu3.21.04.1

Ubuntu 20.04 LTS:
  libhivex-bin                    1.3.18-2ubuntu0.1
  libhivex0                       1.3.18-2ubuntu0.1

Ubuntu 18.04 LTS:
  libhivex-bin                    1.3.15-1ubuntu0.1
  libhivex0                       1.3.15-1ubuntu0.1

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

References:
  https://ubuntu.com/security/notices/USN-5148-1
  CVE-2021-3504

Package Information:
  https://launchpad.net/ubuntu/+source/hivex/1.3.19-1ubuntu3.21.10.1
  https://launchpad.net/ubuntu/+source/hivex/1.3.19-1ubuntu3.21.04.1
  https://launchpad.net/ubuntu/+source/hivex/1.3.18-2ubuntu0.1
  https://launchpad.net/ubuntu/+source/hivex/1.3.15-1ubuntu0.1