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ubuntucveUbuntu.comUB:CVE-2016-5387
HistoryJul 18, 2016 - 12:00 a.m.

CVE-2016-5387

2016-07-1800:00:00
ubuntu.com
ubuntu.com
25
apache http server
httpoxy
cve-2016-5387
remote attackers
http_proxy
arbitrary proxy server
http request

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

8.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.176

Percentile

96.2%

The Apache HTTP Server through 2.4.23 follows RFC 3875 section 4.1.18 and
therefore does not protect applications from the presence of untrusted
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. NOTE: the vendor states “This mitigation has been
assigned the identifier CVE-2016-5387”; in other words, this is not a CVE
ID for a vulnerability.

OSVersionArchitecturePackageVersionFilename
ubuntu12.04noarchapache2< 2.2.22-1ubuntu1.11UNKNOWN
ubuntu14.04noarchapache2< 2.4.7-1ubuntu4.13UNKNOWN
ubuntu15.10noarchapache2< 2.4.12-2ubuntu2.1UNKNOWN
ubuntu16.04noarchapache2< 2.4.18-2ubuntu3.1UNKNOWN

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

8.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.176

Percentile

96.2%