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CVE-2015-2963

CVE-2015-2963

EPSS 2.1%
The thoughtbot paperclip gem before 4.2.2 for Ruby does not consider the content-type value during media-type validation, which allows remote attackers to upload HTML documents and conduct cross-site scripting (XSS) attacks via a spoofed value, as demonstrated by image/jpeg.
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Referencias
http://jvndb.jvn.jp/jvndb/JVNDB-2015-000088http://jvn.jp/en/jp/JVN83881261/index.htmlhttp://openwall.com/lists/oss-security/2015/06/19/3https://github.com/thoughtbot/paperclip/commit/9aee4112f36058cd28d5fe4a006d6981bd1eda57https://robots.thoughtbot.com/paperclip-security-releasehttp://www.securityfocus.com/bid/75304