Security Bulletin: Multiple vulnerabilities in curl affect PowerKVM

Summary

PowerKVM is affected by several vulnerabilities in curl. These vulnerabilities are now fixed.

Vulnerability Details

CVEID: CVE-2014-3613**
DESCRIPTION:** cURL/libcURL could allow a remote attacker to bypass security restrictions, caused by the failure to properly detect and reject domain names for IP addresses. An attacker could exploit this vulnerability to send cookies to an incorrect site.
CVSS Base Score: 5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/95925 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:P/A:N)

CVEID: CVE-2014-3707**
DESCRIPTION:** cURL/libcURL could allow a remote attacker to obtain sensitive information, caused by an error in the curl_easy_duphandle() function. An attacker could exploit this vulnerability to corrupt heap memory and obtain sensitive information or cause a denial of service.
CVSS Base Score: 6.4
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/98562 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:N/A:P)

CVEID: CVE-2014-8150**
DESCRIPTION:** libcURL is vulnerable to CRLF injection, caused by the improper handling of URLs with embedded end-of-line characters. By persuading a victim to click on a specially-crafted URL link using an HTTP proxy, a remote attacker could exploit this vulnerability to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking.
CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/100567 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:N/I:P/A:N)

CVEID: CVE-2015-3143**
DESCRIPTION:** libcurl could allow a remote attacker from within the local network to bypass security restrictions, caused by the re-use of recently authenticated connections. By sending a new NTLM-authenticated request, an attacker could exploit this vulnerability to perform unauthorized actions with the privileges of the victim.
CVSS Base Score: 5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/102888 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:P/A:N)

CVEID: CVE-2015-3148**
DESCRIPTION:** libcurl and cRUL could allow a remote attacker to bypass security restrictions, caused by improper use of the negotiate authentication method. By sending a specially-crafted request, an attacker could exploit this vulnerability to bypass access restrictions and connect as other users.
CVSS Base Score: 5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/102878 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:P/A:N)

Affected Products and Versions

PowerKVM 2.1 and PowerKVM 3.1

Remediation/Fixes

Fix is made available via Fix Central (https://ibm.biz/BdEnT8) for v2.1 in 2.1.1 Build 65.5 and all later 2.1.1 SP3 service builds and 2.1.1 fix packs. For version 3.1, see https://ibm.biz/BdHggw for 3.1 service build 2 or later.

For 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. Customers can also update from 2.1.1 (GA and later levels) by using “yum update”.

Workarounds and Mitigations

None