Buffer overflow in Microsoft Azure Internet Of Things Edge
CVE-2018-8531
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.151 (96.6th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.151 · newest: 0.151 · change: 0.000
Affected products
- Microsoft Azure Internet Of Things Edge
- Microsoft Azure Iot Edge — versions Azure IoT Edge
- Microsoft Csharp Software Development Kit
- Microsoft Hub Device Client Sdk — versions Azure IoT
Weakness classification (CWE)
References
- www.securityfocus.com/bid/105472 (VDB Entry, Third Party Advisory, vdb-entry)
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8531 (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2018-8531?
- CVE-2018-8531 is a high-severity vulnerability in Microsoft Azure Internet Of Things Edge, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2018-10-10.
- How severe is CVE-2018-8531?
- High severity. CVSS v3 base score is 8.8 out of 10.