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ibmIBM30DA82A4D9D953FA05B77587C05ACDA5267AB07461D4D91A5A2F630AB91A48E7
HistoryJun 15, 2018 - 7:05 a.m.

Security Bulletin: GNU C library (glibc) vulnerability affects IBM DataPower Gateways (CVE-2015-7547)

2018-06-1507:05:05
www.ibm.com
24

8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

Summary

A GNU C library (glibc) stack-based buffer overflow in getaddrinfo() vulnerability affects IBM DataPower Gateways.

Vulnerability Details

CVEID: CVE-2015-7547

DESCRIPTION: GNU C Library (glibc) is vulnerable to a stack-based buffer overflow, caused by improper bounds checking by the nss_dns backend for the getaddrinfo() function when performing dual A/AAAA DNS queries. By sending a specially crafted DNS response, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.

CVSS Base Score: 8.1
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/110662&gt; 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

IBM DataPower Gateway appliances all versions through 6.0.0.18, 6.0.1.14, 7.0.0.11, 7.1.0.8 and 7.2.0.3

Remediation/Fixes

Fix is available in versions 6.0.0.19, 6.0.1.15, 7.0.0.12, 7.1.0.9 and 7.2.0.4. Refer to APAR IT13989 for URLs to download the fix.

You should verify applying this fix does not cause any compatibility issues.

_For DataPower customers using versions 5.x and earlier versions, IBM recommends upgrading to a fixed, supported version/release/platform of the product. _

Workarounds and Mitigations

None

8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

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