VulnerabilityModified

CVE-2021-32554

When this function is used by the xorg package apport hooks, it could expose private data to other local users.

MEDIUM 5.5EPSS 0.29%

Does this matter?

Lower severity and a low EPSS score (0.29%). Track it; it rarely justifies an emergency change on its own.

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 package apport hooks, it could expose private data to other local users.

CVSS 3.1: 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS: 0.29% probability · 21th percentile
CISA KEV: Not listed
Weakness: CWE-59, CWE-61
Affected: canonical/ubuntu linux
Source: security@ubuntu.com

References

https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1917904Issue Tracking, Vendor Advisory
https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1917904Issue Tracking, Vendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.