CVE-2021-32551: 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-15 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-2021-32551?
CVE-2021-32551 is deemed to have a medium severity level due to the potential exposure of private data to local users.
How do I fix CVE-2021-32551?
To fix CVE-2021-32551, you should update your system to the latest version of the affected Ubuntu packages that include the security patch.
Which versions of Ubuntu are affected by CVE-2021-32551?
CVE-2021-32551 affects Ubuntu versions 18.04, 20.04, 20.10, 21.04, and 21.10.
What is the impact of CVE-2021-32551?
CVE-2021-32551 may allow local users to access sensitive information by exploiting the read_file() function in apport/hookutils.py.
Is CVE-2021-32551 a remote vulnerability?
No, CVE-2021-32551 is not a remote vulnerability as it requires local access to the system to exploit the issue.
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