Security Bulletin: GNU C library (glibc) vulnerability affects IBM DataPower Gateway appliances (CVE-2015-0235)

Summary

GNU C library (glibc) vulnerability that has been referred to as GHOST affects IBM DataPower Gateway appliances.

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 hostname argument, a remote attacker could overflow a buffer and execute arbitrary code on the system with the privileges of the targeted process or cause the process to crash. 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/100386for 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

All DataPower versions through 6.0.0.11, 6.0.1.7, 7.0.0.4, 7.1.0.2

Remediation/Fixes

Fix is available in versions 6.0.0.12, 6.0.1.8, 7.0.0.5, 7.1.0.3. Refer to APAR IT06941 for URLs to download the fix. Customers using DataPower firmware version 5.0.x, contact customer support.

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. Please contact your Operating System provider for more information.

Workarounds and Mitigations

None known