CVE-2015-1521

Published: Apr 24, 2017Modified: May 13, 2026

7.5

Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability: 3.9 / Impact: 3.6

Source: NVD

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.

Affected (1)

Products: Bro: Bro

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Bro Bro	Up to 2.3.1

Related CWEs

Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

References (2)

https://github.com/bro/bro/commit/6cedd67c381ff22fde653adf02ee31caf66c81a0

Source: cve@mitre.org

PatchVendor Advisory

https://github.com/bro/bro/commit/6cedd67c381ff22fde653adf02ee31caf66c81a0

Source: af854a3a-2127-422b-91ae-364da2661108

PatchVendor Advisory

Timeline

No history available yet.