CVE-2018-20336

CVSS V2 Medium 5 CVSS V3 High 7.5

Description

An issue was discovered in ASUSWRT 3.0.0.4.384.20308. There is a stack-based buffer overflow issue in parse_req_queries function in wanduck.c via a long string over UDP, which may lead to an information leak.

Overview

CVE ID
CVE-2018-20336

Assigner
cve@mitre.org

Vulnerability Status
Modified

Published Version
2019-09-17T16:15:10

Last Modified Date
2019-09-19T22:15:10

Weakness Enumerations

CWE	URL
CWE-120	http://cwe.mitre.org/data/definitions/120.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
		AND
cpe:2.3:o:asus:asuswrt-merlin:3.0.0.4.384.20308:::::::*	1	OR
cpe:2.3:h:asus:rt-ac68u:-:::::::*	0	OR

CVSS Version 2

Version
2.0

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

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
PARTIAL

Integrity Impact
NONE

Availability Impact
NONE

Base Score
5

Severity
MEDIUM

Exploitability Score
10

Impact Score
2.9

CVSS Version 3

Version
3.1

Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
NONE

Base Score
7.5

Base Severity
HIGH

Exploitability Score
3.9

Impact Score
3.6

References

Reference URL	Reference Tags
https://starlabs.sg/advisories/18-20336/	Exploit Third Party Advisory
https://www.asus.com/Networking/RT-AC1200G-plus/HelpDesk_BIOS/

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2018-20336
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20336

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 07:46:01				Added to TrackCVE
2022-12-04 02:51:20	2019-09-17T16:15Z	2019-09-17T16:15:10	CVE Published Date	updated
2022-12-04 02:51:20		2019-09-19T22:15:10	CVE Modified Date	updated
2022-12-04 02:51:20		Modified	Vulnerability Status	updated