Security Bulletin: A vulnerability in lighttpd affects PowerKVM (CVE-2016-1000212)

Summary

PowerKVM is affected by a vulnerability in lighttpd. IBM has now addressed this vulnerability.

Vulnerability Details

CVEID: CVE-2016-1000212**
DESCRIPTION:** lighttpd could allow a remote attacker to redirect HTTP traffic of CGI application, caused by the failure to protect applications from the presence of untrusted client data in the HTTP_PROXY environment variable. By using a specially-crafted Proxy header in a HTTP request, an attacker could exploit this vulnerability to redirect outbound HTTP traffic to arbitrary proxy server. This is also known as the “HTTPOXY” vulnerability.
CVSS Base Score: 8.1
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/116317 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

PowerKVM 2.1

Remediation/Fixes

Customers can update PowerKVM systems by using “yum update”.

Fix images are made available via Fix Central. See PowerKVM 2.1.1.3-65 Update 12 at https://ibm.biz/BdEnT8 or later. Customers running v2.1 are, in any case, encouraged to upgrade to v3.1.

For v2.1 systems currently running fix levels of PowerKVM prior to 2.1.1, please see <http://download4.boulder.ibm.com/sar/CMA/OSA/05e4c/0/README&gt; for prerequisite fixes and instructions.