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CVE-2024-1929

May 8, 2024, 1:15 p.m.

CVSS Score

7.5 / 10

Product(s) Impacted

dnf5daemon-server

  • before 5.1.17

Description

Local Root Exploit via Configuration Dictionary in dnf5daemon-server before 5.1.17 allows a malicious user to impact Confidentiality and Integrity via Configuration Dictionary. There are issues with the D-Bus interface long before Polkit is invoked. The `org.rpm.dnf.v0.SessionManager.open_session` method takes a key/value map of configuration entries. A sub-entry in this map, placed under the "config" key, is another key/value map. The configuration values found in it will be forwarded as configuration overrides to the `libdnf5::Base` configuration.  Practically all libdnf5 configuration aspects can be influenced here. Already when opening the session via D-Bus, the libdnf5 will be initialized using these override configuration values. There is no sanity checking of the content of this "config" map, which is untrusted data. It is possible to make the library loading a plug-in shared library under control of an unprivileged user, hence achieving root access. 

Weaknesses

Date

Published: May 8, 2024, 2:15 a.m.

Last Modified: May 8, 2024, 1:15 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

patrick@puiterwijk.org

CVSS Data

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

Base Score
7.5
Exploitability Score
Impact Score
Base Severity
HIGH
CVSS Vector String

The CVSS vector string provides an in-depth view of the vulnerability metrics.

View Vector String

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N

References

https://www.openwall.com/ patrick@puiterwijk.org