#VU79878 Incorrect authorization in subscription-manager (Red Hat package) - CVE-2023-3899

Vulnerability identifier: #VU79878

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-3899

CWE-ID: CWE-863

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
subscription-manager (Red Hat package)
Operating systems & Components / Operating system package or component

Vendor: Red Hat Inc.

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to incorrect authorization caused by D-Bus interface com.redhat.RHSM1 that exposes a significant number of methods to all users. A local user can abuse the com.redhat.RHSM1.Config.SetAll() method to change the state of the registration and escalate privileges on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

subscription-manager (Red Hat package): before 1.29.33.1-2.el9_2

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External links
https://bugzilla.redhat.com/show_bug.cgi?id=2225407

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.