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Amazon Linux Local Check: alas-2016-731

Information

Severity

Severity

Medium

Family

Family

Amazon Linux Local Security Checks

CVSSv2 Base

CVSSv2 Base

6.8

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Solution Type

Solution Type

Vendor Patch

Created

Created

5 years ago

Modified

Modified

3 years ago

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.

Common Vulnerabilities and Exposures (CVE)