CVE-2024-38257: 
vulnerability analysis and mitigation

Microsoft AllJoyn API Information Disclosure Vulnerability (CVE-2024-38257) is a security flaw discovered in the AllJoyn Router Service of Microsoft Windows operating system. The vulnerability was disclosed and patched in September 2024. The issue affects multiple versions of Windows 10, Windows 11, and Windows Server systems. AllJoyn is a DCOM-like framework designed for IoT devices to perform discovery, communication, and collaboration regardless of connection type or brand (Talos Blog).

The vulnerability exists in the AllJoyn Router Service where during the initiation of an ARDP session, the service can send a reset packet that includes uninitialized information from the address space of the process. The issue has been assigned a CVSS v3.1 base score of 7.5 HIGH (Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N). The vulnerability is classified under CWE-201 (Information Exposure Through Sent Data) and CWE-908 (Use of Uninitialized Resource) (Talos Intelligence, NVD).

The vulnerability could allow an attacker to view uninitialized memory on the targeted machine, potentially exposing sensitive information. The attack can be executed remotely without requiring any user interaction or privileges (Talos Blog).

Microsoft has released security updates to address this vulnerability as part of their monthly security update in September 2024. Users are advised to apply the latest security patches to affected systems (Microsoft Advisory).