CVE-2015-1521

HIGH

Bro < 2.3.1 - Denial of Service via DNP3 Packet Length Handling

Title source: llm
STIX 2.1

Description

analyzer/protocol/dnp3/DNP3.cc in Bro before 2.3.2 does not properly handle zero values of a packet length, which allows remote attackers to cause a denial of service (buffer overflow or buffer over-read if NDEBUG; otherwise assertion failure) via a crafted DNP3 packet.

References (1)

Core 1

Scores

CVSS v3 7.5
EPSS 0.0178
EPSS Percentile 75.5%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-119
Status published
Products (1)
bro/bro < 2.3.1
Published Apr 24, 2017
Tracked Since Feb 18, 2026