Vulnerability · Published May 11, 2020 · Assigned by zephyr
CVE-2020-10060UpdateHub Might Dereference An Uninitialized Pointer
High 8.0
In plain English
A high-severity memory corruption in zephyr from zephyrproject-rtos. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.6% (higher than 75% of all known vulnerabilities).
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| zephyrproject-rtos | zephyr | 2.1.0 – before unspecified2.2.0 – before unspecified |
Weakness: CWE-119 · Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
References
- https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-37 x_refsource_MISC
- https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10060 x_refsource_MISC
- https://github.com/zephyrproject-rtos/zephyr/pull/27865 x_refsource_CONFIRM
- https://github.com/zephyrproject-rtos/zephyr/pull/27889 x_refsource_CONFIRM
- https://github.com/zephyrproject-rtos/zephyr/pull/27891 x_refsource_CONFIRM
- https://github.com/zephyrproject-rtos/zephyr/pull/27893 x_refsource_CONFIRM