Details of VAR-202308-3186

ID

VAR-202308-3186

CVE

CVE-2023-35739

TITLE

D-Link DAP-2622 DDP Configuration Backup Server IPv6 Address Stack-based Buffer Overflow Remote Code Execution Vulnerability

Trust: 0.7

sources: ZDI: ZDI-23-1244

DESCRIPTION

D-Link DAP-2622 DDP Configuration Backup Server IPv6 Address 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-20066. D-Link DAP-2622 is a wireless access point device from D-Link, a Chinese company

Trust: 2.16

sources: NVD: CVE-2023-35739 // ZDI: ZDI-23-1244 // CNVD: CNVD-2024-32557 // VULMON: CVE-2023-35739

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2024-32557

AFFECTED PRODUCTS

vendor:

d link

model:

dap-2622

scope:

version:

Trust: 1.3

sources: ZDI: ZDI-23-1244 // CNVD: CNVD-2024-32557

CVSS

SEVERITY

CVSSV2

CVSSV3

zdi-disclosures@trendmicro.com:	CVE-2023-35739
value:	HIGH
Trust: 1.0
ZDI:	CVE-2023-35739
value:	HIGH
Trust: 0.7
CNVD:	CNVD-2024-32557
value:	HIGH
Trust: 0.6

CNVD:	CNVD-2024-32557
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-2023-35739
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-2023-35739
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-23-1244 // CNVD: CNVD-2024-32557 // NVD: CVE-2023-35739

PROBLEMTYPE DATA

problemtype:

CWE-121

Trust: 1.0

sources: NVD: CVE-2023-35739

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 Buffer Overflow Vulnerability (CNVD-2024-32557)	url:	https://www.cnvd.org.cn/patchInfo/show/569001	Trust: 0.6

sources: ZDI: ZDI-23-1244 // CNVD: CNVD-2024-32557

EXTERNAL IDS

db:	NVD	id:	CVE-2023-35739	Trust: 2.4
db:	ZDI	id:	ZDI-23-1244	Trust: 1.8
db:	DLINK	id:	SAP10349	Trust: 1.0
db:	ZDI_CAN	id:	ZDI-CAN-20066	Trust: 0.7
db:	CNVD	id:	CNVD-2024-32557	Trust: 0.6
db:	VULMON	id:	CVE-2023-35739	Trust: 0.1

sources: ZDI: ZDI-23-1244 // CNVD: CNVD-2024-32557 // VULMON: CVE-2023-35739 // NVD: CVE-2023-35739

REFERENCES

url:	https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=sap10349	Trust: 1.7
url:	https://www.zerodayinitiative.com/advisories/zdi-23-1244/	Trust: 1.1
url:	http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2023-35739	Trust: 0.6

sources: ZDI: ZDI-23-1244 // CNVD: CNVD-2024-32557 // VULMON: CVE-2023-35739 // NVD: CVE-2023-35739

CREDITS

Dmitry "InfoSecDJ" Janushkevich of Trend Micro Zero Day Initiative

Trust: 0.7

sources: ZDI: ZDI-23-1244

SOURCES

db:	ZDI	id:	ZDI-23-1244
db:	CNVD	id:	CNVD-2024-32557
db:	VULMON	id:	CVE-2023-35739
db:	NVD	id:	CVE-2023-35739

LAST UPDATE DATE

2024-09-19T22:39:06.043000+00:00

SOURCES UPDATE DATE

db:	ZDI	id:	ZDI-23-1244	date:	2023-08-25T00:00:00
db:	CNVD	id:	CNVD-2024-32557	date:	2024-07-15T00:00:00
db:	NVD	id:	CVE-2023-35739	date:	2024-09-18T19:15:27.507

SOURCES RELEASE DATE

db:	ZDI	id:	ZDI-23-1244	date:	2023-08-25T00:00:00
db:	CNVD	id:	CNVD-2024-32557	date:	2024-07-15T00:00:00
db:	NVD	id:	CVE-2023-35739	date:	2024-05-03T02:15:37.823