ET EXPLOIT Possible Realtek SDK - formRebootCheck/formWsc Stack Buffer Overflow Inbound (CVE-2021-35392) - Suricata Rule 2033837 (et/open)

ET EXPLOIT Possible Realtek SDK - formRebootCheck/formWsc Stack Buffer Overflow Inbound (CVE-2021-35392)

SID: 2033837Rev: 10 viewsHistory

Sourceet/open

CreatedAugust 30, 2021

UpdatedApril 5, 2023

Classificationattempted-user

alert http any any -> [$HOME_NET,$HTTP_SERVERS] any (msg:"ET EXPLOIT Possible Realtek SDK - formRebootCheck/formWsc Stack Buffer Overflow Inbound (CVE-2021-35392)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/goform/"; pcre:"/^form(RebootCheck|Wsc)$/R"; http.request_body; content:"submit-url="; fast_pattern; isdataat:2000,relative; reference:url,www.iot-inspector.com/blog/advisory-multiple-issues-realtek-sdk-iot-supply-chain/; reference:cve,2021-35392; classtype:attempted-user; sid:2033837; rev:1; metadata:attack_target Server, created_at 2021_08_30, cve CVE_2021_35392, deployment Perimeter, deployment Internal, confidence Medium, signature_severity Major, tag Exploit, updated_at 2023_04_05, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;)

References

url	www.iot-inspector.com/blog/advisory-multiple-issues-realtek-sdk-iot-supply-chain/
cve	2021-35392

Metadata

attack targetServer

created at2021_08_30

cveCVE-2021-35392

deploymentInternal

confidenceMedium

signature severityMajor

tagExploit

updated at2023_04_05

mitre tactic idTA0001

mitre tactic nameInitial_Access

mitre technique idT1190

mitre technique nameExploit_Public_Facing_Application

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