CVE-2021-32552

apport read_file() function could follow maliciously constructed symbolic links

Description

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.

Category

7.3
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.04%
Vendor Advisory launchpad.net
Affected: Canonical apport
Published at:
Updated at:

References

Link Tags
https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1917904 issue tracking vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-32552?
CVE-2021-32552 has been scored as a high severity vulnerability.
How to fix CVE-2021-32552?
To fix CVE-2021-32552, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-32552 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-32552 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-32552?
CVE-2021-32552 affects Canonical apport.
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