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MitreCVE-2018-19524

HistoryMar 21, 2019 - 4:00 p.m.

CVE-2018-19524

2019-03-2116:00:31

CWE-20

mitre

web.nvd.nist.gov

cve-2018-19524

shenzhen skyworth

dt741

g/epon

iptv

sdotbgn1

dt721-cb

remote code execution

denial of service

nvd

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.8

Confidence

High

EPSS

0.09

Percentile

94.7%

JSON

An issue was discovered on Shenzhen Skyworth DT741 Converged Intelligent Terminal (G/EPON+IPTV) SDOTBGN1, DT721-cb SDOTBGN1, and DT741-cb SDOTBGN1 devices. A long password to the Web_passwd function allows remote attackers to cause a denial of service (segmentation fault) or achieve unauthenticated remote code execution because of control of registers S0 through S4 and T4 through T7.

Affected configurations

Nvd

Node

skyworthdigitaldt740_firmwareMatchsdotbgn1

AND

skyworthdigitaldt740Match-

Node

skyworthdigitaldt721-cb_firmwareMatchsdotbgn1

AND

skyworthdigitaldt721-cbMatch-

Node

skyworthdigitaldt741-cb_firmwareMatchsdotbgn1

AND

skyworthdigitaldt741-cbMatch-

VendorProductVersionCPE
skyworthdigitaldt740_firmwaresdotbgn1cpe:2.3:o:skyworthdigital:dt740_firmware:sdotbgn1:*:*:*:*:*:*:*
skyworthdigitaldt740-cpe:2.3:h:skyworthdigital:dt740:-:*:*:*:*:*:*:*
skyworthdigitaldt721-cb_firmwaresdotbgn1cpe:2.3:o:skyworthdigital:dt721-cb_firmware:sdotbgn1:*:*:*:*:*:*:*
skyworthdigitaldt721-cb-cpe:2.3:h:skyworthdigital:dt721-cb:-:*:*:*:*:*:*:*
skyworthdigitaldt741-cb_firmwaresdotbgn1cpe:2.3:o:skyworthdigital:dt741-cb_firmware:sdotbgn1:*:*:*:*:*:*:*
skyworthdigitaldt741-cb-cpe:2.3:h:skyworthdigital:dt741-cb:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
skyworthdigital	dt740_firmware	sdotbgn1	cpe:2.3:o:skyworthdigital:dt740_firmware:sdotbgn1:::::::*
skyworthdigital	dt740	-	cpe:2.3:h:skyworthdigital:dt740:-:::::::*
skyworthdigital	dt721-cb_firmware	sdotbgn1	cpe:2.3:o:skyworthdigital:dt721-cb_firmware:sdotbgn1:::::::*
skyworthdigital	dt721-cb	-	cpe:2.3:h:skyworthdigital:dt721-cb:-:::::::*
skyworthdigital	dt741-cb_firmware	sdotbgn1	cpe:2.3:o:skyworthdigital:dt741-cb_firmware:sdotbgn1:::::::*
skyworthdigital	dt741-cb	-	cpe:2.3:h:skyworthdigital:dt741-cb:-:::::::*

References

packetstormsecurity.com/files/151608/Skyworth-GPON-HomeGateways-Optical-Network-Stack-Overflow.html

seclists.org/fulldisclosure/2019/Feb/30

s3curityb3ast.github.io/KSA-Dev-001.md

seclists.org/bugtraq/2019/Feb/21

www.breakthesec.com/2019/02/cve-2018-19524-stack-overflow-in.html

www.exploit-db.com/exploits/46358/

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.8

Confidence

High

EPSS

0.09

Percentile

94.7%

JSON

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