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Status published
High
CVE-2021-32555
apport read_file() function could follow maliciously constructed symbolic links
Vulnerability 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 xorg-hwe-18.04 package apport hooks, it could expose private data to other local users.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- maik@secfault-security.com (@fktio)
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Affected Vendor
Canonical
View all reports →Affected Software
apport
Vulnerable Versions:
2.20.1, 2.20.9, 2.20.11-0ubuntu27, 2.20.11-0ubuntu50, 2.20.11-0ubuntu65, 2.14.1-0ubuntu3
Timeline
Official Publish:
June 12th, 2021
Last Modified:
September 16th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:L