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Ubuntu Security Notice USN-5966-3
April 03, 2023

amanda regression
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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

Summary:

Several security issues were fixed in amanda.

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

Details:

USN-5966-1 fixed vulnerabilities in amanda. Unfortunately that update
caused a regression and was reverted in USN-5966-2. This update provides
security fixes for Ubuntu 22.10, Ubuntu 22.04 LTS, Ubuntu 20.04
LTS and Ubuntu 18.04 LTS.

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 1:3.5.1-9ubuntu0.3

Ubuntu 22.04 LTS:
amanda-client 1:3.5.1-8ubuntu1.3

Ubuntu 20.04 LTS:
amanda-client 1:3.5.1-2ubuntu0.3

Ubuntu 18.04 LTS:
amanda-client 1:3.5.1-1ubuntu0.3

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

References:
https://ubuntu.com/security/notices/USN-5966-3
https://ubuntu.com/security/notices/USN-5966-1
https://launchpad.net/bugs/2012536
CVE-2022-37703, CVE-2022-37704, CVE-2022-37705

Package Information:
https://launchpad.net/ubuntu/+source/amanda/1:3.5.1-9ubuntu0.3
https://launchpad.net/ubuntu/+source/amanda/1:3.5.1-8ubuntu1.3
https://launchpad.net/ubuntu/+source/amanda/1:3.5.1-2ubuntu0.3
https://launchpad.net/ubuntu/+source/amanda/1:3.5.1-1ubuntu0.3