CVE-2021-32555: apport read_file() function could follow maliciously constructed symbolic links
First published: Sat Jun 12 2021(Updated: )
It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. When this function is used by the xorg-hwe-18.04 package apport hooks, it could expose private data to other local users.
Credit: security@ubuntu.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Canonical Ubuntu Linux | =18.04 | |
| Canonical Ubuntu Linux | =20.04 | |
| Canonical Ubuntu Linux | =20.10 | |
| Canonical Ubuntu Linux | =21.04 | |
| Canonical Ubuntu Linux | =21.10 |
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