CVE-2020-10060 Information

Description

In updatehub_probe right after JSON parsing is complete objects\[1] is accessed from the output structure in two different places. If the JSON contained less than two elements this access would reference unitialized stack memory. This could result in a crash denial of service or possibly an information leak. Provided the fix in CVE-2020-10059 is applied the attack requires compromise of the server. See NCC-ZEP-030 This issue affects: zephyrproject-rtos zephyr version 2.1.0 and later versions. version 2.2.0 and later versions.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H

Reference

https://docs.zephyrproject.org/latest/security/vulnerabilities.htmlcve-2020-10060 https://github.com/zephyrproject-rtos/zephyr/pull/27865 https://github.com/zephyrproject-rtos/zephyr/pull/27889 https://github.com/zephyrproject-rtos/zephyr/pull/27891 https://github.com/zephyrproject-rtos/zephyr/pull/27893 https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-37

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction Required

HIGH

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.5