Security Bulletin: IBM Security Proventia Network Active Bypass is affected by vulnerabilities in OpenSSH (CVE-2013-4548)

Security Bulletin

Summary

Security vulnerabilities have been discovered in OpenSSH.

Vulnerability Details

CVE-ID:
CVE-2013-4548

DESCRIPTION: A memory corruption vulnerability exists in the post-authentication sshd process when an AES-GCM cipher (aes128-gcm@openssh.com or aes256-gcm@openssh.com) is selected during key exchange.

CVSS Base Score: 6.0
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/88624
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:S/C:P/I:P/A:P)

Warning: We strongly encourage you to take action as soon as possible as potential implications to your environment may be more serious than indicated by the CVSS score.

Affected Products and Versions

Products: ABYP-0T-0S-4L-P, ABYP-0T-0S-4L-P-M, ABYP-0T-2S-2L-P, ABYP-0T-2S-2L-P-M, ABYP-0T-4S-0L-P, ABYP-0T-4S-0L-P-M, ABYP-10G-2SR-2LR-1-P, ABYP-10G-2SR-2LR-1-P-M, ABYP-10G-4LR-1-P, ABYP-10G-4LR-1-P-M, ABYP-10G-4SR-1-P, ABYP-10G-4SR-1-P-M, ABYP-2T-0S-2L-P, ABYP-2T-0S-2L-P-M, ABYP-2T-1S-1L-P, ABYP-2T-1S-1L-P-M, ABYP-2T-2S-0L-P, ABYP-2T-2S-0L-P-M, ABYP-4T-0S-0L-P, ABYP-4T-0S-0L-P-M, ABYP-4TL-P, ABYP-4TL-P-M, ABYP-4TS-P, ABYP-4TS-P-M
Firmware versions: 3.4-23

Remediation/Fixes

The following IBM Threat Updates have the fixes for these vulnerabilities:

Product	Version	Remediation/First Fix
IBM Security Proventia Network Active Bypass	1G – 3.4-23	Proventia 1G NAB Update 11 (fw3.9-34)
IBM Security Proventia Network Active Bypass	10G - 3.4-23	Proventia 10G NAB Update 8 (fw3.9-34)

Workarounds and Mitigations

None

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References

Complete CVSS v2 Guide
On-line Calculator v2

Off

Openssh Security

*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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Tips

Security Bulletin: IBM Security Proventia Network Active Bypass is affected by vulnerabilities in OpenSSH (CVE-2013-4548)