Canonical · Apport · CVE-2021-3710
**Name of the Vulnerable Software and Affected Versions**
apport versions prior to 2.14.1-0ubuntu3.29+esm8
apport versions prior to 2.20.1-0ubuntu2.30+esm2
apport versions prior to 2.20.9-0ubuntu7.26
apport versions prior to 2.20.11-0ubuntu27.20
apport versions prior to 2.20.11-0ubuntu65.3
**Description**
The issue is related to the `read file` function in the apport error registration service, which is associated with incorrect restriction of the path name to a directory with limited access. This can allow an attacker to disclose protected information via path traversal. The `read file` function in `apport/hookutils.py` is specifically affected.
**Recommendations**
For apport versions prior to 2.14.1-0ubuntu3.29+esm8, update to version 2.14.1-0ubuntu3.29+esm8 or later.
For apport versions prior to 2.20.1-0ubuntu2.30+esm2, update to version 2.20.1-0ubuntu2.30+esm2 or later.
For apport versions prior to 2.20.9-0ubuntu7.26, update to version 2.20.9-0ubuntu7.26 or later.
For apport versions prior to 2.20.11-0ubuntu27.20, update to version 2.20.11-0ubuntu27.20 or later.
For apport versions prior to 2.20.11-0ubuntu65.3, update to version 2.20.11-0ubuntu65.3 or later.