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Ubuntu Security Notice USN-6808-1
June 05, 2024

atril vulnerability

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

• Ubuntu 23.10
• Ubuntu 22.04 LTS
• Ubuntu 20.04 LTS
• Ubuntu 18.04 LTS
• Ubuntu 16.04 LTS

Summary:

Atril could be made to create arbitrary files when opening a specially
crafted EPUB file.

Software Description:

• atril: Official Document Viewer of the MATE Desktop Environment

Details:

It was discovered that Atril was vulnerable to a path traversal attack.
An attacker could possibly use this vulnerability to create arbitrary
files on the host filesystem with user privileges.

Update instructions:

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

Ubuntu 23.10
atril 1.26.0-2ubuntu0.1
atril-common 1.26.0-2ubuntu0.1
libatrildocument3 1.26.0-2ubuntu0.1

Ubuntu 22.04 LTS
atril 1.26.0-1ubuntu1.1
atril-common 1.26.0-1ubuntu1.1
libatrildocument3 1.26.0-1ubuntu1.1

Ubuntu 20.04 LTS
atril 1.24.0-1ubuntu0.1
atril-common 1.24.0-1ubuntu0.1
libatrildocument3 1.24.0-1ubuntu0.1

Ubuntu 18.04 LTS
atril 1.20.1-2ubuntu2+esm1
Available with Ubuntu Pro
atril-common 1.20.1-2ubuntu2+esm1
Available with Ubuntu Pro
libatrildocument3 1.20.1-2ubuntu2+esm1
Available with Ubuntu Pro

Ubuntu 16.04 LTS
atril 1.12.2-1ubuntu0.3+esm1
Available with Ubuntu Pro
atril-common 1.12.2-1ubuntu0.3+esm1
Available with Ubuntu Pro
libatrildocument3 1.12.2-1ubuntu0.3+esm1
Available with Ubuntu Pro

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

References:
https://ubuntu.com/security/notices/USN-6808-1
CVE-2023-52076

Package Information:
https://launchpad.net/ubuntu/+source/atril/1.26.0-2ubuntu0.1
https://launchpad.net/ubuntu/+source/atril/1.26.0-1ubuntu1.1
https://launchpad.net/ubuntu/+source/atril/1.24.0-1ubuntu0.1