Buffer overflow in Zephyr Shell
CVE-2017-14202
Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in the shell component of Zephyr allows a serial or telnet connected user to cause a crash, possibly with arbitrary code execution. This issue affects: Zephyr shell versions prior to 1.14.0 on all.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.006 (45.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Zephyr Shell — versions prior to 1.14.0
- Zephyrproject Zephyr
Weakness classification (CWE)
References
- docs.zephyrproject.org/1.14.0/releases/release-notes-1.14.html (Release Notes, Vendor Advisory)
- zephyrprojectsec.atlassian.net/browse/ZEPSEC-18 (Broken Link)
- github.com/zephyrproject-rtos/zephyr/pull/13048 (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-14202?
- CVE-2017-14202 is a high-severity vulnerability in Zephyr Shell, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2019-08-29.
- How severe is CVE-2017-14202?
- High severity. CVSS v3 base score is 7.8 out of 10.