Security Bulletin
Summary
A potential Denial of Service vulnerability exists in XDR. IBM DataPower Gateways has addressed the applicable CVE.
Vulnerability Details
CVEID: CVE-2017-8804
DESCRIPTION: glibc is vulnerable to a denial of service, caused by improper handling of buffer deserialization in the xdr_bytes and xdr_string functions. By sending a specially-crafted UDP packet, a remote attacker could exploit this vulnerability to cause virtual memory allocation, or memory consumption on the system.
CVSS Base Score: 7.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/125760 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Affected Products and Versions
IBM DataPower Gateways appliances, versions through 7.0.0.0-7.0.0.19, 7.1.0.0-7.1.0.18, 7.2.0.0-7.2.0.15, 7.5.0.0-7.5.0.9, 7.5.1.0-7.5.1.8, 7.5.2.0-7.5.2.8, 7.6.0.0-7.6.0.1
Remediation/Fixes
Fix is available in versions 7.0.0.20, 7.1.0.19, 7.2.0.16, 7.5.0.10, 7.5.1.9, 7.5.2.9, 7.6.0.2. Refer to APAR IT22121 for URLs to download the fix.
You should verify applying this fix does not cause any compatibility issues.
For DataPower customers using versions 6.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
25 September 2017 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
swg22008628