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Security Bulletin: TLS padding vulnerability affects IBM Security Network Protection (CVE-2014-8730)

Security Bulletin


Summary

Transport Layer Security (TLS) padding vulnerability via a POODLE (Padding Oracle On Downgraded Legacy Encryption) like attack affects IBM Security Network Protection.

Vulnerability Details


CVE-ID: CVE-2014-8730

DESCRIPTION: Product could allow a remote attacker to obtain sensitive information, caused by the failure to check the contents of the padding bytes when using CBC cipher suites of some TLS implementations. A remote user with the ability to conduct a man-in-the-middle attack could exploit this vulnerability via a POODLE (Padding Oracle On Downgraded Legacy Encryption) like attack to decrypt sensitive information and calculate the plaintext of secure connections.

CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/99216 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:P/I:N/A:N)

Affected Products and Versions

Products: IBM Security Network Protection (XGS) models 3100, 4100, 5100, 7100
Versions: 5.1, 5.1.1, 5.1.2, 5.2, 5.3

Remediation/Fixes

IBM has provided fixes for all supported versions. Follow the installation instructions in the README files included with the fix. You should verify applying this fix does not cause any compatibility issues.

5.2.0.0-ISS-XGS-All-Models-Hotfix-FP0006 for IBM Security Network Protection products at version 5.2

Firmware Update 5.3.0.3 for IBM Security Network Protection products at version 5.3

For the 5.1.x versions of Network Protection, IBM recommends upgrading to a fixed, supported version/release/platform of the product.

Workarounds and Mitigations

None

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References

Off

*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:
16 June 2018

UID

swg21693657