Vulnerabilities > CVE-2019-5148 - Integer Underflow (Wrap or Wraparound) vulnerability in Moxa Awk-3131A Firmware 1.13

047910
CVSS 7.5 - HIGH
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
NONE
Integrity impact
NONE
Availability impact
HIGH
network
low complexity
moxa
CWE-191

Summary

An exploitable denial-of-service vulnerability exists in ServiceAgent functionality of the Moxa AWK-3131A, firmware version 1.13. A specially crafted packet can cause an integer underflow, triggering a large memcpy that will access unmapped or out-of-bounds memory. An attacker can send this packet while unauthenticated to trigger this vulnerability.

Vulnerable Configurations

Part Description Count
OS
Moxa
1
Hardware
Moxa
1

Common Weakness Enumeration (CWE)

Talos

idTALOS-2019-0938
last seen2020-02-28
published2020-02-24
reporterTalos Intelligence
sourcehttp://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0938
titleMoxa AWK-3131A ServiceAgent denial-of-service vulnerability