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Security Bulletin: Multiple vulnerabilities in gnutls affect IBM Flex System Manager(FSM) (CVE-2015-2806, CVE-2015-8313)

Security Bulletin


Summary

Multiple security vulnerabilities have been discovered in gnutls that is embedded in the IBM FSM. This bulletin addresses these vulnerabilities.

Vulnerability Details

CVEID: CVE-2015-2806
DESCRIPTION:
An unspecified error in libtasn1 related to asn1_der_decoding has an unknown impact and attack vector.
CVSS Base Score: 6.8
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/102548 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:P/I:P/A:P)

CVEID: CVE-2015-8313
DESCRIPTION:
GnuTLS could allow a remote attacker to obtain sensitive information, caused by the improper validation of the first byte of padding in CBC mode. An attacker with the ability to conduct a man-in-the-middle attack could exploit this vulnerability via the POODLE (Padding Oracle On Downgraded Legacy Encryption) attack to calculate the plaintext of secure connections.
CVSS Base Score: 3.1
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/111475 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N)

Affected Products and Versions

Flex System Manager 1.3.4.x
Flex System Manager 1.3.3.x
Flex System Manager 1.3.2.x
Flex System Manager 1.3.1.x
Flex System Manager 1.3.0.x
Flex System Manager 1.2.x.x
Flex System Manager 1.1.x.x

Remediation/Fixes

IBM recommends updating the FSM using the instructions referenced in this table.

      Product
      VRMF
      APAR
      Remediation
Flex System Manager
      1.3.4.x
IT14624
Install fsmfix_1.3.4.0_IT14622_IT14623_IT14624
Flex System Manager
      1.3.3.x
IT14624
Install fsmfix_1.3.3.0_IT14622_IT14623_IT14624
Flex System Manager
      1.3.2.x
IT14624
Install fsmfix_1.3.2.0_IT14622_IT14623_IT14624
Flex System Manager
      1.3.1.x
IT14624
IBM recommends upgrading to a fixed, supported version/release and following the appropriate remediation for all vulnerabilities.
Flex System Manager
      1.3.0.x
IT14624
IBM recommends upgrading to a fixed, supported version/release and following the appropriate remediation for all vulnerabilities.
Flex System Manager
      1.2.x.x
IT14624
IBM recommends upgrading to a fixed, supported version/release and following the appropriate remediation for all vulnerabilities.
Flex System Manager
      1.1.x.x
IT14624
IBM recommends upgrading to a fixed, supported version/release and following the appropriate remediation for all vulnerabilities.

Workarounds and Mitigations

None

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References

Related information

Change History

25 April 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

According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.

Document information

More support for: Flex System Manager Node

Version: Version Independent

Operating system(s): Linux

Reference #: T1023642

Modified date: 13 May 2016