Vulnerability Details CVE-2016-6287
The "http-client" egg always used a HTTP_PROXY environment variable to determine whether HTTP traffic should be routed via a proxy, even when running as a CGI process. Under several web servers this would mean a user-supplied "Proxy" header could allow an attacker to direct all HTTP requests through a proxy (also known as a "httpoxy" attack). This affects all versions of http-client before 0.10.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.007
EPSS Ranking 71.0%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
References
Products affected by CVE-2016-6287
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cpe:2.3:a:call-cc:http-client:0.4.2
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cpe:2.3:a:call-cc:http-client:0.9