Security Bulletin: GNU C library (glibc) vulnerability affects WebSphere DataPower XC10 Appliance (CVE-2015-0235)

Summary

GNU C library (glibc) vulnerability that has been referred to as GHOST affects WebSphere DataPower XC10 Appliance.

Vulnerability Details

CVEID:CVE-2015-0235

DESCRIPTION: The gethostbyname functions of the GNU C Library (glibc) are vulnerable to a buffer overflow. By sending a specially crafted, but valid host name argument, a remote attacker could overflow a buffer and run arbitrary code on the system with the privileges of the targeted process or cause the process to crash. The impact of an attack depends on the implementation details of the targeted application or operating system. This issue is being referred to as the GHOST vulnerability.

CVSS Base Score: 7.6
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/100386 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:H/Au:N/C:C/I:C/A:C)

Affected Products and Versions

WebSphere DataPower XC10 Appliance Versions 2.1 and 2.5.

Remediation/Fixes

Apply an interim fix or fix pack as documented in the table. Later versions of WebSphere DataPower XC10 Appliance fixes and fix packs will also include the fix for APAR IT06890.

The appliance is automatically restarted during the application of the firmware upgrade, at which point the vulnerability is corrected.

IBM recommends that you review your entire environment to identify vulnerable releases of glibc including your operating systems and take appropriate mitigation and remediation actions. Contact your operating system provider for more information.

Workarounds and Mitigations

None known.