Published:2019/02/20 Last Updated:2019/02/20
JVN#05875753
azure-umqtt-c vulnerable to denial-of-service (DoS)
Overview
azure-umqtt-c contains a denial-of-service (DoS) vulnerability.
Products Affected
- azure-umqtt-c that was available through GitHub prior to 2017 October 6
Description
azure-umqtt-c contains a denial-of-service (DoS) vulnerability (CWE-400).
Impact
An attacker may be able to cause a denial-of-service (DoS).
Solution
Apply the update
Update azure-umqtt-c according to the information provided by the developer.
Vendor Status
| Vendor | Status | Last Update | Vendor Notes |
|---|---|---|---|
| Microsoft Japan Co.,Ltd. | Vulnerable | 2019/02/20 | Microsoft Japan Co.,Ltd. website |
References
JPCERT/CC Addendum
Vulnerability Analysis by JPCERT/CC
CVSS v3
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score:
7.5
| Attack Vector(AV) | Physical (P) | Local (L) | Adjacent (A) | Network (N) |
|---|---|---|---|---|
| Attack Complexity(AC) | High (H) | Low (L) | ||
| Privileges Required(PR) | High (H) | Low (L) | None (N) | |
| User Interaction(UI) | Required (R) | None (N) | ||
| Scope(S) | Unchanged (U) | Changed (C) | ||
| Confidentiality Impact(C) | None (N) | Low (L) | High (H) | |
| Integrity Impact(I) | None (N) | Low (L) | High (H) | |
| Availability Impact(A) | None (N) | Low (L) | High (H) |
CVSS v2
AV:N/AC:L/Au:N/C:N/I:N/A:P
Base Score:
5.0
| Access Vector(AV) | Local (L) | Adjacent Network (A) | Network (N) |
|---|---|---|---|
| Access Complexity(AC) | High (H) | Medium (M) | Low (L) |
| Authentication(Au) | Multiple (M) | Single (S) | None (N) |
| Confidentiality Impact(C) | None (N) | Partial (P) | Complete (C) |
| Integrity Impact(I) | None (N) | Partial (P) | Complete (C) |
| Availability Impact(A) | None (N) | Partial (P) | Complete (C) |
Credit
Masataka Sakaguchi, Bintatsu Noda and Hisashi Kojima of FUJITSU LABORATORIES LTD. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
Other Information
| JPCERT Alert | |
| JPCERT Reports | |
| CERT Advisory | |
| CPNI Advisory | |
| TRnotes | |
| CVE |
CVE-2019-5917 |
| JVN iPedia |
JVNDB-2019-000010 |