ET EXPLOIT Realtek eCos RSDK/MSDK Stack-based Buffer Overflow Attempt Inbound (CVE-2022-27255)

Query · suricata

content:"|20|SIP|2f|";
content:"m=audio|20|"; fast_pattern;
pcre:"/^\d+\s*[^\r\n]{50,}/R";
Raw source ET EXPLOIT Realtek eCos RSDK/MSDK Stack-based Buffer Overflow Attempt Inbound (CVE-2022-27255) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert udp any any -> [$HOME_NET,$HTTP_SERVERS] any (
    msg:"ET EXPLOIT Realtek eCos RSDK/MSDK Stack-based Buffer Overflow Attempt Inbound (CVE-2022-27255)";
    content:"|20|SIP|2f|";
    content:"m=audio|20|"; fast_pattern;
    pcre:"/^\d+\s*[^\r\n]{50,}/R";
    reference:url,github.com/infobyte/cve-2022-27255/tree/main/exploits_nexxt;
    reference:cve,2022-27255;
    classtype:attempted-admin;
    sid:2038669; rev:1;
    metadata:created_at 2022_08_30, cve CVE_2022_27255, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_08_30;
)

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