Security Bulletin
Summary
CBC mode ciphers, weak MD5 and MAC algorithms vulnerabilities have been discovered in OpenSSH used with IBM Security Network Protection. These vulnerabilities have been addressed in the firmware versions below.
Vulnerability Details
CVEID: CVE-2008-5161
DESCRIPTION: OpenSSH and multiple SSH Tectia products could allow a remote attacker to obtain sensitive information, caused by the improper handling of errors within an SSH session which is encrypted with a block cipher algorithm in CBC mode. A remote attacker with read and write access to network data could exploit this vulnerability to display plaintext bits from a block of ciphertext and obtain sensitive information.
CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/46620 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:P/I:N/A:N)
SYNOPSIS: OpenSSH is configured to allow MD5 and 96-bit MAC algorithms in IBM Security Network Protection.
DESCRIPTION: OpenSSH server in IBM Security Network Protection is configured to allow either MD5 or 96-bit MAC algorithms, both of which are considered weak.
Affected Products and Versions
IBM Security Network Protection 5.3.1
IBM Security Network Protection 5.3.2
Remediation/Fixes
|
Product | VRMF | Remediation/First Fix |
| IBM Security Network Protection | Firmware version 5.3.1 | Download Firmware 5.3.1.7 from IBM Security License Key and Download Center and upload and install via the Available Updates page of the Local Management Interface. |
| IBM Security Network Protection | Firmware version 5.3.2 | Install Firmware 5.3.2.1 from the Available Updates page of the Local Management Interface, or by performing a One Time Scheduled Installation from SiteProtector. |
Workarounds and Mitigations
None
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References
Change History
15 January 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:
16 June 2018
UID
swg21974231