CVE-2015-1521

CVSS V2 Medium 5 CVSS V3 High 7.5

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.

Overview

CVE ID
CVE-2015-1521

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2017-04-24T06:59:00

Last Modified Date
2017-04-27T17:46:50

Weakness Enumerations

CWE	URL
CWE-119	http://cwe.mitre.org/data/definitions/119.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:bro:bro::::::::	1	OR		2.3.1

CVSS Version 2

Version
2.0

Vector String
AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
NONE

Integrity Impact
NONE

Availability Impact
PARTIAL

Base Score
5

Severity
MEDIUM

Exploitability Score
10

Impact Score
2.9

CVSS Version 3

Version
3.0

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

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
NONE

Availability Impact
HIGH

Base Score
7.5

Base Severity
HIGH

Exploitability Score
3.9

Impact Score
3.6

References

Reference URL	Reference Tags
https://github.com/bro/bro/commit/6cedd67c381ff22fde653adf02ee31caf66c81a0	Patch Vendor Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2015-1521
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1521

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 09:44:03				Added to TrackCVE
2022-12-02 16:11:06	2017-04-24T06:59Z	2017-04-24T06:59:00	CVE Published Date	updated
2022-12-02 16:11:06		2017-04-27T17:46:50	CVE Modified Date	updated
2022-12-02 16:11:06		Analyzed	Vulnerability Status	updated