Bypassing Rules in ModSecurity via Capitalized Chunked Value in Transfer-Encoding Header

CVE-2013-5705 · MEDIUM Severity

AV:N/AC:L/AU:N/C:N/I:P/A:N

apache2/modsecurity.c in ModSecurity before 2.7.6 allows remote attackers to bypass rules by using chunked transfer coding with a capitalized Chunked value in the Transfer-Encoding HTTP header.

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