VulnerabilityModified

CVE-2016-5386

HIGH 8.1EPSS 5.22%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (5.22%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

The net/http package in Go through 1.6 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 attackers 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.

CVSS 3.1: 8.1 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 5.22% probability · 92th percentile
CISA KEV: Not listed
Weakness: CWE-284
Affected: fedoraproject/fedora · oracle/linux · redhat/enterprise linux server · redhat/enterprise linux server aus · redhat/enterprise linux server eus · golang/go
Source: secalert@redhat.com

References

http://rhn.redhat.com/errata/RHSA-2016-1538.htmlThird Party Advisory
http://www.kb.cert.org/vuls/id/797896Third Party Advisory, US Government Resource
http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.htmlPatch, Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.htmlThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1353798Issue Tracking, Third Party Advisory
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03770en_usThird Party Advisory
https://httpoxy.org/Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7WGHKKCFP4PLVSWQKCM3FJJPEWB5ZNTU/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OR52UXGM6RKSCWF3KQMVZGVZVJ3WEESJ/
http://rhn.redhat.com/errata/RHSA-2016-1538.htmlThird Party Advisory
http://www.kb.cert.org/vuls/id/797896Third Party Advisory, US Government Resource
http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.htmlPatch, Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.htmlThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1353798Issue Tracking, Third Party Advisory
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03770en_usThird Party Advisory
https://httpoxy.org/Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7WGHKKCFP4PLVSWQKCM3FJJPEWB5ZNTU/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OR52UXGM6RKSCWF3KQMVZGVZVJ3WEESJ/

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.