Security Bulletin
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 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
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References
Acknowledgement
None
Change History
8 March 2016: Original Version Published
*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.
Disclaimer
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
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Document Information
Modified date:
15 June 2018
UID
swg21977460