[USN-7350-1] UnRAR vulnerabilities

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==========================================================================
Ubuntu Security Notice USN-7350-1
March 12, 2025

unrar-nonfree vulnerabilities
==========================================================================

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

- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS

Summary:

Several security issues were fixed in UnRAR.

Software Description:
- unrar-nonfree: Unarchiver for .rar files

Details:

It was discovered that UnRAR incorrectly handled certain paths. If a user
or automated system were tricked into extracting a specially crafted RAR
archive, a remote attacker could possibly use this issue to write arbitrary
files outside of the targeted directory. (CVE-2022-30333, CVE-2022-48579)

It was discovered that UnRAR incorrectly handled certain recovery volumes.
If a user or automated system were tricked into extracting a specially
crafted RAR archive, a remote attacker could possibly use this issue to
execute arbitrary code. (CVE-2023-40477)

Siddharth Dushantha discovered that UnRAR incorrectly handled ANSI escape
sequences when writing screen output. If a user or automated system were
tricked into processing a specially crafted RAR archive, a remote attacker
could possibly use this issue to spoof screen output or cause a denial of
service. (CVE-2024-33899)

Update instructions:

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

Ubuntu 22.04 LTS
libunrar5 1:6.1.5-1ubuntu0.1
unrar 1:6.1.5-1ubuntu0.1

Ubuntu 20.04 LTS
libunrar5 1:5.6.6-2ubuntu0.1
unrar 1:5.6.6-2ubuntu0.1

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

References:
https://ubuntu.com/security/notices/USN-7350-1
CVE-2022-30333, CVE-2022-48579, CVE-2023-40477, CVE-2024-33899

Package Information:
https://launchpad.net/ubuntu/+source/unrar-nonfree/1:6.1.5-1ubuntu0.1
https://launchpad.net/ubuntu/+source/unrar-nonfree/1:5.6.6-2ubuntu0.1