Vulnerability Monitor

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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.

Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.8, requiring local system access to exploit with relatively low complexity without requiring user interaction requiring only low-level privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 1 product from zephyrproject organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2019, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2019-08-29T01:15:10.740

Last Modified

2024-11-21T03:12:21.093

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 7.8 (HIGH)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:P/I:P/A:P

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

3.9

Impact Score

6.4

Weaknesses

Type: Secondary
CWE-119
Type: Primary
CWE-119

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	zephyrproject	zephyr	< 1.14.0	Yes

References

https://docs.zephyrproject.org/1.14.0/releases/release-notes-1.14.html Release Notes, Vendor Advisory ([email protected])
https://github.com/zephyrproject-rtos/zephyr/pull/13048 Patch, Third Party Advisory ([email protected])
https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-18 Broken Link ([email protected])
https://docs.zephyrproject.org/1.14.0/releases/release-notes-1.14.html Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/zephyrproject-rtos/zephyr/pull/13048 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-18 Broken Link (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For zephyrproject's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.