CVE-2021-32552: 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-16 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-2021-32552?
CVE-2021-32552 has been classified with a moderate severity level.
How do I fix CVE-2021-32552?
To fix CVE-2021-32552, update the affected Ubuntu packages to their latest versions provided by your Linux distribution.
What versions of Ubuntu are affected by CVE-2021-32552?
CVE-2021-32552 affects Ubuntu versions 18.04, 20.04, 20.10, 21.04, and 21.10.
What type of vulnerability is CVE-2021-32552?
CVE-2021-32552 is a symbolic link vulnerability that can lead to the exposure of private data.
Who can exploit CVE-2021-32552?
CVE-2021-32552 can be exploited by local users who have access to the affected system.
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