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Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to version 7.0.16, the Lua TLS certificate information helper could dereference NULL certificate fields when a Lua script requested certificate information for TLS traffic where some certificate fields were absent. Crafted TLS traffic processed by a deployment using affected Lua TLS scripting could crash Suricata, resulting in denial of service. Version 7.0.16 contains a fix. As a workaround, avoid Lua scripts that call TLS certificate information helpers on untrusted traffic (`TlsGetCertInfo` function), or update scripts to handle missing certificate fields where possible.
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Shown as published. These rules are not interpreted as NuGet package version ranges.
{
"vendor": "OISF",
"product": "suricata",
"versions": [
{
"version": "< 7.0.16",
"status": "affected"
}
]
}Original source record · Cite this exact observation · Complete original publisher JSON