To prevent TOCTOU attacks, use checked IP addr directly for connections #1
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hakobe
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Aug 5, 2015
To prevent TOCTOU attacks, use checked IP addr directly for connections
Songmu
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Mar 30, 2019
## [v0.1.0](6495e87...v0.1.0) (2019-03-31) * adjust releng files [#11](#11) ([Songmu](https://github.com/Songmu)) * Revert "introduce structure for errors" [#8](#8) ([hakobe](https://github.com/hakobe)) * introduce structure for errors [#7](#7) ([astj](https://github.com/astj)) * Remove resolved issues from readme. [#6](#6) ([shogo82148](https://github.com/shogo82148)) * fix errors in IPv6 environment. [#5](#5) ([shogo82148](https://github.com/shogo82148)) * [incompatible] Support context more on Go 1.8 [#4](#4) ([Songmu](https://github.com/Songmu)) * support DialContext for go 1.7 [#3](#3) ([Songmu](https://github.com/Songmu)) * define mustParseCIDR and refactor [#2](#2) ([Songmu](https://github.com/Songmu)) * To prevent TOCTOU attacks, use checked IP addr directly for connections [#1](#1) ([hakobe](https://github.com/hakobe))
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Checking a connecting host in http.Transport is vulnerable for TOCTOU attacks. This p-r fixes it by checking hosts and uses resolved addrs at dialing.
I want to thank @kazuho for pointing this out (https://twitter.com/kazuho/status/628741345801154562).