DescriptionAn issue was discovered in OWASP ModSecurity Core Rule Set (CRS) 3.0.2. Use of X.Filename instead of X_Filename can bypass some PHP Script Uploads rules, because PHP automatically transforms dots into underscores in certain contexts where dots are invalid.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium
Debian Bugs943773

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
modsecurity-crs (PTS)jessie2.2.9-1+deb8u1fixed
bullseye, sid3.2.0-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
modsecurity-crssourcejessie(not affected)


[buster] - modsecurity-crs <no-dsa> (Minor issue)
[stretch] - modsecurity-crs <no-dsa> (Minor issue)
[jessie] - modsecurity-crs <not-affected> (incorrect rule does not exist)

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