What is the CVSS score of CVE-2018-8531?

CVE-2018-8531 has a CVSS 3.0 base score of 8.8 (High). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 15.2%.

Is there a patch available for CVE-2018-8531?

Yes, a patch is available for CVE-2018-8531. Update the affected software to the latest version immediately.

Azure Internet Of Things Edge CVE-2018-8531

HIGH

Out-of-bounds Write (CWE-787)

2018-10-10 secure@microsoft.com

Memory Corruption Microsoft RCE Buffer Overflow Azure Internet Of Things Edge Csharp Software Development Kit

8.8

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Oct 10, 2018 - 13:29 nvd

HIGH 8.8

DescriptionNVD

AnalysisAI

A remote code execution vulnerability exists in the way that Azure IoT Hub Device Client SDK using MQTT protocol accesses objects in memory, aka "Azure IoT Device Client SDK Memory Corruption. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.

Technical ContextAI

This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. A remote code execution vulnerability exists in the way that Azure IoT Hub Device Client SDK using MQTT protocol accesses objects in memory, aka "Azure IoT Device Client SDK Memory Corruption Vulnerability." This affects Hub Device Client SDK, Azure IoT Edge. Affected products include: Microsoft Azure Internet Of Things Edge, Microsoft Csharp Software Development Kit.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).