Tuned: improper sanitization of `instance_name` parameter of the `instance_create()` method

5.5 CVSS

Vulnerability Description

A log spoofing flaw was found in the Tuned package due to improper sanitization of some API arguments. This flaw allows an attacker to pass a controlled sequence of characters; newlines can be inserted into the log. Instead of the 'evil' the attacker could mimic a valid TuneD log line and trick the administrator. The quotes '' are usually used in TuneD logs citing raw user input, so there will always be the ' character ending the spoofed input, and the administrator can easily overlook this. This logged string is later used in logging and in the output of utilities, for example, `tuned-adm get_instances` or other third-party programs that use Tuned's D-Bus interface for such operations.

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:

Red Hat would like to thank Matthias Gerstner (SUSE Security Team) for reporting this issue.

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Affected Vendor

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Affected Software

Fast Datapath for Red Hat Enterprise Linux 7, Fast Datapath for Red Hat Enterprise Linux 8, Fast Datapath for Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 7 Extended Lifecycle Support, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Telecommunications Update Service, Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions, Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Telecommunications Update Service, Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions, Red Hat Enterprise Linux 8.8 Extended Update Support, Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 9.2 Extended Update Support, Red Hat Enterprise Linux 9.4 Extended Update Support, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6

Vulnerable Versions:

2.23.0, 0:2.11.0-5.el7fdp.2, 0:2.24.0-2.1.20240819gitc082797f.el8fdp, 0:2.24.0-2.1.20240819gitc082797f.el9fdp, 0:2.11.0-13.el7_9, 0:2.22.1-5.el8_10, 0:2.20.0-1.el8_4.2, 0:2.20.0-1.el8_6.2, 0:2.20.0-2.el8_8.1, 0:2.24.0-2.el9_5, 0:2.20.0-3.el9_2, 0:2.22.1-3.el9_4