yaws prior to 2.0.4 does not attempt to address RFC 3875 section 4.1.18 namespace conflicts and therefore does not protect CGI applications from the presence of untrusted client data in the HTTP_PROXY environment variable, which might allow remote malicious users to redirect a CGI application's outbound HTTP traffic to an arbitrary proxy server via a crafted Proxy header in an HTTP request, aka an "httpoxy" issue.
Vulnerable Product | Search on Vulmon | Subscribe to Product |
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yaws yaws |
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debian debian linux 8.0 |
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debian debian linux 9.0 |
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debian debian linux 10.0 |