Details of VAR-202308-3105

ID

VAR-202308-3105

CVE

CVE-2023-35731

TITLE

D-Link DAP-2622 DDP Reset Factory Auth Username Stack-based Buffer Overflow Remote Code Execution Vulnerability

Trust: 0.7

sources: ZDI: ZDI-23-1237

DESCRIPTION

D-Link DAP-2622 DDP Reset Factory Auth Username Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-2622 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the DDP service. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-20058. D-Link DAP-2622 is a wireless router from D-Link, a Chinese company

Trust: 2.07

sources: NVD: CVE-2023-35731 // ZDI: ZDI-23-1237 // CNVD: CNVD-2024-33395

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2024-33395

AFFECTED PRODUCTS

vendor:

d link

model:

dap-2622

scope:

version:

Trust: 1.3

sources: ZDI: ZDI-23-1237 // CNVD: CNVD-2024-33395

CVSS

SEVERITY

CVSSV2

CVSSV3

zdi-disclosures@trendmicro.com:	CVE-2023-35731
value:	HIGH
Trust: 1.0
ZDI:	CVE-2023-35731
value:	HIGH
Trust: 0.7
CNVD:	CNVD-2024-33395
value:	HIGH
Trust: 0.6

CNVD:	CNVD-2024-33395
severity:	HIGH
baseScore:	8.3
vectorString:	AV:A/AC:L/AU:N/C:C/I:C/A:C
accessVector:	ADJACENT_NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	COMPLETE
integrityImpact:	COMPLETE
availabilityImpact:	COMPLETE
exploitabilityScore:	6.5
impactScore:	10.0
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6

zdi-disclosures@trendmicro.com:	CVE-2023-35731
baseSeverity:	HIGH
baseScore:	8.8
vectorString:	CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector:	ADJACENT
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	2.8
impactScore:	5.9
version:	3.0
Trust: 1.0
ZDI:	CVE-2023-35731
baseSeverity:	HIGH
baseScore:	8.8
vectorString:	AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector:	ADJACENT
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	2.8
impactScore:	5.9
version:	3.0
Trust: 0.7

sources: ZDI: ZDI-23-1237 // CNVD: CNVD-2024-33395 // NVD: CVE-2023-35731

PROBLEMTYPE DATA

problemtype:

CWE-121

Trust: 1.0

sources: NVD: CVE-2023-35731

PATCH

title:	D-Link has issued an update to correct this vulnerability.	url:	https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10349	Trust: 0.7
title:	Patch for D-Link DAP-2622 Stack Buffer Overflow Vulnerability (CNVD-2024-33395)	url:	https://www.cnvd.org.cn/patchInfo/show/571191	Trust: 0.6

sources: ZDI: ZDI-23-1237 // CNVD: CNVD-2024-33395

EXTERNAL IDS

db:	NVD	id:	CVE-2023-35731	Trust: 2.3
db:	ZDI	id:	ZDI-23-1237	Trust: 1.7
db:	DLINK	id:	SAP10349	Trust: 1.0
db:	ZDI_CAN	id:	ZDI-CAN-20058	Trust: 0.7
db:	CNVD	id:	CNVD-2024-33395	Trust: 0.6

sources: ZDI: ZDI-23-1237 // CNVD: CNVD-2024-33395 // NVD: CVE-2023-35731

REFERENCES

url:	https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=sap10349	Trust: 1.7
url:	https://www.zerodayinitiative.com/advisories/zdi-23-1237/	Trust: 1.0
url:	http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2023-35731	Trust: 0.6

sources: ZDI: ZDI-23-1237 // CNVD: CNVD-2024-33395 // NVD: CVE-2023-35731

CREDITS

Dmitry "InfoSecDJ" Janushkevich of Trend Micro Zero Day Initiative

Trust: 0.7

sources: ZDI: ZDI-23-1237

SOURCES

db:	ZDI	id:	ZDI-23-1237
db:	CNVD	id:	CNVD-2024-33395
db:	NVD	id:	CVE-2023-35731

LAST UPDATE DATE

2024-09-19T22:39:06.451000+00:00

SOURCES UPDATE DATE

db:	ZDI	id:	ZDI-23-1237	date:	2023-08-25T00:00:00
db:	CNVD	id:	CNVD-2024-33395	date:	2024-07-22T00:00:00
db:	NVD	id:	CVE-2023-35731	date:	2024-09-18T19:15:26.877

SOURCES RELEASE DATE

db:	ZDI	id:	ZDI-23-1237	date:	2023-08-25T00:00:00
db:	CNVD	id:	CNVD-2024-33395	date:	2024-07-17T00:00:00
db:	NVD	id:	CVE-2023-35731	date:	2024-05-03T02:15:36.480