1. Ubuntu Security Notices
  2. USN-7350-1

USN-7350-1: UnRAR vulnerabilities

Publication date

12 March 2025

Overview

Several security issues were fixed in UnRAR.

Releases

Packages

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...

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

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
22.04 jammy libunrar5 –  1:6.1.5-1ubuntu0.1
unrar –  1:6.1.5-1ubuntu0.1
20.04 focal libunrar5 –  1:5.6.6-2ubuntu0.1
unrar –  1:5.6.6-2ubuntu0.1

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Get Ubuntu Pro

References

Have additional questions?

Talk to a member of the team ›