CVE-2021-32548: 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 openjdk-8 package apport hooks, it could expose private data to other local users.
Credit: security@ubuntu.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Ubuntu | =18.04 | |
| Ubuntu | =20.04 | |
| Ubuntu | =20.10 | |
| Ubuntu | =21.04 | |
| Ubuntu | =21.10 |
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Frequently Asked Questions
What is the severity of CVE-2021-32548?
CVE-2021-32548 has been classified as a high severity vulnerability due to its potential to expose private data.
How do I fix CVE-2021-32548?
Fixing CVE-2021-32548 involves updating the affected package to a version that does not include the vulnerable code.
Who is affected by CVE-2021-32548?
CVE-2021-32548 affects Ubuntu Linux users on versions 18.04, 20.04, 20.10, 21.04, and 21.10.
What can CVE-2021-32548 lead to?
CVE-2021-32548 could lead to unauthorized access to private data by other local users.
When was CVE-2021-32548 disclosed?
CVE-2021-32548 was disclosed in 2021, making it important for users to monitor their systems for updates.
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