Vulnerability Details CVE-2020-10060
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.03
EPSS Ranking 85.9%
CVSS Severity
CVSS v3 Score 8.0
CVSS v2 Score 5.5
References
- https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-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
- https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-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
Products affected by CVE-2020-10060
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cpe:2.3:o:zephyrproject:zephyr:2.1.0
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cpe:2.3:o:zephyrproject:zephyr:2.2.0
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cpe:2.3:o:zephyrproject:zephyr:2.3.0