EXP_Libre_Office_CVE_2018_16858

rule EXP_Libre_Office_CVE_2018_16858 {
    meta:
        description = "RCE in Libre Office with crafted ODT file (CVE-2018-16858)"
        author = "John Lambert @JohnLaTwC / modified by Florian Roth"
        date = "2019-02-01"
        reference = "https://insert-script.blogspot.com/2019/02/libreoffice-cve-2018-16858-remote-code.html"
        hash = "95a02b70c117947ff989e3e00868c2185142df9be751a3fefe21f18fa16a1a6f"
        id = "17a0a569-27bf-57ab-937e-8943442ae604"
    strings:
        $s1 = "xlink:href=\"vnd.sun.star.script:" ascii nocase
        $s2 = ".py$tempfilepager" ascii nocase
        $tag = {3c 6f 66 66 69 63 65 3a 64 6f 63 }
    condition:
        uint32be(0) == 0x3c3f786d // <?xm
        and $tag in (0..0100) // <office:doc
        and all of ($s*)
}