Multiple vulnerabilities in Azure IoT Java SDK

Published: 2019-02-13 01:33:29
Severity Low
Patch available YES
Number of vulnerabilities 2
CVE ID CVE-2019-0741
CVE-2019-0729
CVSSv3 5.4 [CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
4.7 [CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]
CWE ID CWE-200
CWE-310
Exploitation vector Local network
Public exploit N/A
Vulnerable software Java SDK for Azure IoT
Vulnerable software versions Java SDK for Azure IoT -
Vendor URL Microsoft

Security Advisory

1) Information disclosure

Description

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists in the way Azure IoT Java SDK logs sensitive information. A local user can gain unauthorized access to sensitive information and compromise the affected device.

Remediation

Install updates from vendor's website.

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0741

2) Cryptographic issues

Description

The vulnerability allows a remote attacker to elevate privileges on the device.

The vulnerability exists due to Azure IoT Java SDK generates predictable symmetric keys for encryption. An attacker can derive the keys from the way they are generated and use them to access a user's IoT hub.

Remediation

Install updates from vendor's website.

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0729

Back to List