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Security Bulletin: Security vulnerabilities in OpenSSH and OpenSSL shipped with IBM Security Access Manager Appliance (CVE-2018-15473, CVE-2019-1559)

Security Bulletin


Summary

The OpenSSH and OpenSSL packages are shipped with IBM Security Access Manager Appliances. These vulnerabilities have been fixed.

Vulnerability Details

CVEID:   CVE-2018-15473
DESCRIPTION:   OpenSSH could allow a remote attacker to obtain sensitive information, caused by different responses to valid and invalid authentication attempts. By sending a specially crafted request, an attacker could exploit this vulnerability to enumerate valid usernames.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/148397 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)

CVEID:   CVE-2019-1559
DESCRIPTION:   OpenSSL could allow a remote attacker to obtain sensitive information, caused by the failure to immediately close the TCP connection after the hosts encounter a zero-length record with valid padding. An attacker could exploit this vulnerability using a 0-byte record padding-oracle attack to decrypt traffic.
CVSS Base score: 5.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/157514 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N)

Affected Products and Versions

Affected Product(s)Version(s)
ISAM7.0
ISAM8.0

Remediation/Fixes

 ProductVRMFAPARFirst Fix
IBM Security Access Manager Appliance7.0.0.37IJ22163, IJ22168 7.0.0-ISS-WGA-IF0037
IBM Security Access Manager Appliance8.0.1.9IJ22163, IJ221688.0.1-ISS-WGA-FP0009

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Acknowledgement

Change History

19 May 2020: Initial Publication

*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.

Document Location

Worldwide

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Document Information

Modified date:
05 October 2020

UID

ibm16253947

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