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CVE-2021-32554

Date: June 11, 2021

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.

Severity Score

Related Resources (3)

https://nvd.nist.gov/vuln/detail/CVE-2021-32554
https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1917904
https://www.mend.io/vulnerability-database/CVE-2021-32554

Severity Score

Weakness Type (CWE)

Improper Link Resolution Before File Access ('Link Following')

CWE-59

UNIX Symbolic Link (Symlink) Following

CWE-61

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): CHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): LOW

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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