Vulnerability Details : 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 category: Memory CorruptionExecute code
Exploit prediction scoring system (EPSS) score for CVE-2018-8531
Probability of exploitation activity in the next 30 days: 4.73%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 92 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2018-8531
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
9.3
|
HIGH | AV:N/AC:M/Au:N/C:C/I:C/A:C |
8.6
|
10.0
|
NIST |
|
8.8
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2018-8531
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-8531
-
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8531
CVE-2018-8531 | Azure IoT Device Client SDK Memory Corruption VulnerabilityPatch;Vendor Advisory
-
http://www.securityfocus.com/bid/105472
Microsoft Azure IoT Device Client SDK CVE-2018-8531 Remote Memory Corruption VulnerabilityThird Party Advisory;VDB Entry
Products affected by CVE-2018-8531
- cpe:2.3:a:microsoft:csharp_software_development_kit:*:*:*:*:*:azure_internet_of_things:*:*
- cpe:2.3:a:microsoft:azure_internet_of_things_edge:-:*:*:*:*:*:*:*