Security Bulletin: IBM Flex System FC5022 16Gb SAN Scalable Switch is affected by vulnerabilities in Brocade Fabric OS (CVE-2017-6225 CVE-2017-6227)

Summary

The following vulnerabilities in Brocade Fabric OS, allowing cross-site scripting (XSS) in the web-based management interface and denial of service caused by an adjacent attacker sending crafted Router Advertisement messages, have been addressed by IBM Flex System FC5022 16Gb SAN Scalable Switch.

Vulnerability Details

CVEID: CVE-2017-6225 DESCRIPTION: Brocade Fabric OS is vulnerable to cross-site scripting, caused by improper validation of user-supplied input by the web-based management interface. A remote attacker could exploit this vulnerability to inject malicious script into a Web page which would be executed in a victim’s Web browser within the security context of the hosting Web site, once the page is viewed. An attacker could use this vulnerability to steal the victim’s cookie-based authentication credentials.
CVSS Base Score: 6.1
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/138944&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)

CVEID: CVE-2017-6227 DESCRIPTION: Brocade Fabric OS is vulnerable to a denial of service, caused by a CPU consumption in the IPv6 stack. By sending-crafted Router Advertisement (RA) messages, a remote attacker could exploit this vulnerability to cause the device to hang.
CVSS Base Score: 6.5
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/138942&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

Product

|

Affected Version

—|—

IBM Flex System FC5022 16Gb SAN Scalable Switch

|

8.0

Remediation/Fixes

Firmware fix versions are available on Fix Central: [http://www.ibm.com/support/fixcentral/](<http://www.ibm.com/support/fixcentral/ >)[ ](<http://www.ibm.com/support/fixcentral/ >)

Product

|

Fix Version

—|—

IBM Flex System FC5022 16Gb SAN Scalable Switch
(brcd_fw_bcsw_8.2.0_anyos_noarch)

|

8.2.0

Workarounds and Mitigations

None