CVE-2021-32552: apport read_file() function could follow maliciously constructed symbolic links
Published Jun 12, 2021
·Updated
It was discovered that readfile() 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.
Affected Software
5 affected components
Ubuntu=18.04
Ubuntu=20.04
Ubuntu=20.10
Ubuntu=21.04
Ubuntu=21.10
Event History
Jun 12, 2021
CVE Published
via MITRE·03:40 AM
Data Sourced
via MITRE·03:40 AM
DescriptionSeverityWeakness
Frequently Asked Questions
1
What is the severity of CVE-2021-32552?
CVE-2021-32552 has been classified with a moderate severity level.
2
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.
3
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.
4
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.
5
Who can exploit CVE-2021-32552?
CVE-2021-32552 can be exploited by local users who have access to the affected system.