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Ubuntu Security Notice USN-5966-2
March 23, 2023

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

- Ubuntu 22.10
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 ESM
- Ubuntu 14.04 ESM

Summary:

USN-5966-1 introduced a regression in amanda

Software Description:
- amanda: Advanced Maryland Automatic Network Disk Archiver (Client)

Details:

USN-5966-1 fixed vulnerabilities in amanda. Unfortunately it introduced
a regression in GNUTAR-based backups. This update reverts all of the
changes in amanda until a better fix is provided.

We apologize for the inconvenience.

Original advisory details:

 Maher Azzouzi discovered an information disclosure vulnerability in the
 calcsize binary within amanda. calcsize is a suid binary owned by root that
 could possibly be used by a malicious local attacker to expose sensitive
 file system information. (CVE-2022-37703)

 Maher Azzouzi discovered a privilege escalation vulnerability in the
 rundump binary within amanda. rundump is a suid binary owned by root that
 did not perform adequate sanitization of environment variables or
 commandline options and could possibly be used by a malicious local
 attacker to escalate privileges. (CVE-2022-37704)

 Maher Azzouzi discovered a privilege escalation vulnerability in the runtar
 binary within amanda. runtar is a suid binary owned by root that did not
 perform adequate sanitization of commandline options and could possibly be
 used by a malicious local attacker to escalate privileges. (CVE-2022-37705)

Update instructions:

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

Ubuntu 22.10:
  amanda-client                   1:3.5.1-9ubuntu0.2

Ubuntu 22.04 LTS:
  amanda-client                   1:3.5.1-8ubuntu1.2

Ubuntu 20.04 LTS:
  amanda-client                   1:3.5.1-2ubuntu0.2

Ubuntu 18.04 LTS:
  amanda-client                   1:3.5.1-1ubuntu0.2

Ubuntu 16.04 ESM:
  amanda-client                   1:3.3.6-4.1ubuntu0.1+esm2

Ubuntu 14.04 ESM:
  amanda-client                   1:3.3.3-2ubuntu1.1+esm2

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

References:
  https://ubuntu.com/security/notices/USN-5966-2
  https://ubuntu.com/security/notices/USN-5966-1
  https://launchpad.net/bugs/2012536

Package Information:
  https://launchpad.net/ubuntu/+source/amanda/1:3.5.1-9ubuntu0.2
  https://launchpad.net/ubuntu/+source/amanda/1:3.5.1-8ubuntu1.2
  https://launchpad.net/ubuntu/+source/amanda/1:3.5.1-2ubuntu0.2
  https://launchpad.net/ubuntu/+source/amanda/1:3.5.1-1ubuntu0.2