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Amazon Linux Local Check: alas-2016-731
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
Amazon Linux Local Security Checks
Insight
Insight
An input-validation flaw was discovered in the Go programming language built in CGI implementation, which set the environment variable HTTP_PROXY using the incoming Proxy HTTP-request header. The environment variable HTTP_PROXY is used by numerous web clients, including Go's net/http package, to specify a proxy server to use for HTTP and, in some cases, HTTPS requests. This meant that when a CGI-based web application ran, an attacker could specify a proxy server which the application then used for subsequent outgoing requests, allowing a man-in-the-middle attack.
Solution
Solution
Run yum update golang to update your system.