CVE-2021-32549

apport read_file() function could follow maliciously constructed symbolic links

State: Published
Severity: 7.3 High
Published: Jun 12, 2021
Updated: Sep 16, 2024
Reserved: May 10, 2021

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-13 package apport hooks, it could expose private data to other local users.

Scores

CVSS	Score	Vector	Source
3.1	7.3 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:L	canonical

Weaknesses

CWE-59 Improper Link Resolution Before File Access ('Link Following')
CWE-61 UNIX Symbolic Link (Symlink) Following

Affected Products

Product	Versions
apportCanonical	2.20.1 to before 2.20.1-0ubuntu2.30+esm1Affected 2.20.9 to before 2.20.9-0ubuntu7.24Affected 2.20.11-0ubuntu27 to before 2.20.11-0ubuntu27.18Affected 2.20.11-0ubuntu50 to before 2.20.11-0ubuntu50.7Affected 2.20.11-0ubuntu65 to before 2.20.11-0ubuntu65.1Affected 2.14.1-0ubuntu3 to before 2.14.1-0ubuntu3.29+esm7Affected

References

https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1917904

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