Vulnerabilities > CVE-2020-10060 - Access of Uninitialized Pointer vulnerability in Zephyrproject Zephyr 2.1.0/2.2.0/2.3.0
Attack vector
NETWORK Attack complexity
LOW Privileges required
HIGH Confidentiality impact
HIGH Integrity impact
NONE Availability impact
HIGH Summary
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.
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| OS | 8 |
Common Weakness Enumeration (CWE)
References
- https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-37
- https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10060
- https://github.com/zephyrproject-rtos/zephyr/pull/27889
- https://github.com/zephyrproject-rtos/zephyr/pull/27865
- https://github.com/zephyrproject-rtos/zephyr/pull/27893
- https://github.com/zephyrproject-rtos/zephyr/pull/27891