Buffer Overflow Vulnerability in Zephyr Project by Zephyr Project RTOS
CVE-2025-1675

9.1CRITICAL

Key Information:

Vendor

Zephyrproject-rtos

Status
Zephyr
Vendor
CVE Published:
25 February 2025

What is CVE-2025-1675?

The vulnerability occurs in the dns_copy_qname function within the dns_pack.c file, where a memcpy operation is conducted without proper validation of the source buffer's size. This flaw allows the possibility of writing beyond the allocated memory boundaries, potentially leading to arbitrary code execution or application crashes. Proper input validation measures are essential to prevent such security issues.

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Deploy the Patch

Affected Version(s)

Zephyr * <= 4.0

References

https://github.com/zephyrproject-rtos/zephyr/security/adv...

CVSS V3.1

Score:
9.1
Severity:
CRITICAL
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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