Buffer overflow in DTLS server - #VU19550

 

Buffer overflow in DTLS server - #VU19550

Published: July 29, 2019


Vulnerability identifier: #VU19550
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: N/A
CWE-ID: CWE-120
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Eclipse
Affected software:
DTLS server

Detailed vulnerability description

The vulnerability allows a remote attacker to crash the target server.

The vulnerability exists in the "dtls_create_cookie" function due to a boundary error when the server incorrectly handles incoming network. A remote attacker can send a specially crafted request to the affected system, trigger buffer overflow and crash the target server.


Remediation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Sources