Rack vulnerable to Cross-site Scripting
GHSA-5r2p-j47h-mhpg · CVE-2018-16471
Published · Modified
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Description
There is a possible XSS vulnerability in Rack before 2.0.6 and 1.6.11. Carefully crafted requests can impact the data returned by the scheme method on Rack::Request. Applications that expect the scheme to be limited to 'http' or 'https' and do not escape the return value could be vulnerable to an XSS attack. Note that applications using the normal escaping mechanisms provided by Rails may not impacted, but applications that bypass the escaping mechanisms, or do not use them may be vulnerable.
References
- ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2018-16471
- PACKAGE https://github.com/rack/rack
- WEB https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2018-16471.yml
- WEB https://groups.google.com/forum/#!topic/ruby-security-ann/NAalCee8n6o
- WEB https://groups.google.com/forum/#!topic/rubyonrails-security/GKsAFT924Ag
- WEB https://lists.debian.org/debian-lts-announce/2018/11/msg00022.html
- WEB https://usn.ubuntu.com/4089-1
- WEB http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00032.html
- WEB http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00016.html
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