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Reject messages with multiple single-value headers #8

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spaceone opened this issue Oct 1, 2019 · 1 comment
Open

Reject messages with multiple single-value headers #8

spaceone opened this issue Oct 1, 2019 · 1 comment
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security

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@spaceone
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spaceone commented Oct 1, 2019

Some HTTP headers might occurr only once in a HTTP message (e.g. Content-Length, Location, Host, Content-Disposition, etc.).
Messages which contain these headers multiple times should be rejected for security reasons.

Content-Length injection leads to response splitting
Location leads to redirect hijacking.
@spaceone
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spaceone commented Oct 1, 2019

http-core issue 193

@spaceone spaceone changed the title Reject messages with multiple single-headers Reject messages with multiple single-value headers Oct 1, 2019
spaceone added a commit that referenced this issue Oct 4, 2019
@spaceone
Issue #8: Check if value is single value
d2b9fb2
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