Buffer overflow in Zephyrproject Zephyr
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.016 (74.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 74.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000
Affected products
- Zephyrproject Zephyr
- Zephyrproject-Rtos Zephyr — versions 2.1.0, 2.2.0
Weakness classification (CWE)
References
- zephyrprojectsec.atlassian.net/browse/ZEPSEC-37 (Third Party Advisory)
- docs.zephyrproject.org/latest/security/vulnerabilities.html (Vendor Advisory)
- github.com/zephyrproject-rtos/zephyr/pull/27865 (Patch, Third Party Advisory)
- github.com/zephyrproject-rtos/zephyr/pull/27889 (Patch, Third Party Advisory)
- github.com/zephyrproject-rtos/zephyr/pull/27891 (Patch, Third Party Advisory)
- github.com/zephyrproject-rtos/zephyr/pull/27893 (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-10060?
- CVE-2020-10060 is a high-severity vulnerability in Zephyrproject Zephyr, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.0/10. Published 2020-05-11.
- How severe is CVE-2020-10060?
- High severity. CVSS v3 base score is 8.0 out of 10.