CVE-2016-4694

HIGH

Description

The Apache HTTP Server in Apple OS X before 10.12 and OS X Server before 5.2 follows RFC 3875 section 4.1.18 and therefore does not protect applications from the presence of untrusted CGI client data in the HTTP_PROXY environment variable, which might allow remote attackers to redirect an application's outbound HTTP traffic to an arbitrary proxy server via a crafted Proxy header in an HTTP request, aka an "httpoxy" issue, a related issue to CVE-2016-5387.

References

http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.html

http://lists.apple.com/archives/security-announce/2016/Sep/msg00009.html

http://www.securityfocus.com/bid/93060

http://www.securitytracker.com/id/1036853

https://support.apple.com/HT207170

https://support.apple.com/HT207171

Details

Source: MITRE

Published: 2016-09-25

Updated: 2017-07-30

Type: CWE-284

Risk Information

CVSS v2.0

Base Score: 7.5

Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P)

Impact Score: 6.4

Exploitability Score: 10

Severity: HIGH

CVSS v3.0

Base Score: 9.1

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Impact Score: 5.2

Exploitability Score: 3.9

Severity: CRITICAL