Security Bulletin: IBM i Access for Windows affected by vulnerabilities CVE-2015-2023 and CVE-2015-7422.

Security Bulletin

Summary

IBM i Access for Windows is affected by vulnerabilities CVE-2015-2023 and CVE-2015-7422. These vulnerabilities affect the Windows system running the IBM i Access for Windows product.

Vulnerability Details

CVEID: CVE-2015-2023
DESCRIPTION: IBM i Access for Windows is vulnerable to a buffer overflow. A local attacker could overflow a buffer and execute arbitrary code on the Windows PC.
CVSS Base Score: 4.4
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/104044 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:L/AC:M/Au:N/C:P/I:P/A:P)

CVEID: CVE-2015-7422
DESCRIPTION: IBM i Access for Windows vulnerable to a buffer overflow, caused by improper bounds checking. A local attacker could overflow a buffer and cause the program to crash.
CVSS Base Score: 4
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/107770 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

Affected Products and Versions

Release 7.1 of IBM i Access for Windows is affected.

Remediation/Fixes

The issue can be fixed by obtaining and applying the Service Pack SI57907.

The buffer overflow vulnerability can be remediated by applying Service Pack SI57907. The Service Pack is available at:
http://www-03.ibm.com/systems/power/software/i/access/windows_sp.html

Release 7.1 of IBM i Access for Windows is supported and will be fixed.

Release 7.1 – SI57907

Important note: IBM recommends that all users running unsupported versions of affected products upgrade to supported and fixed version of affected products.

Workarounds and Mitigations

None known

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References

Complete CVSS v2 Guide
On-line Calculator v2

Complete CVSS v3 Guide
On-line Calculator v3

Off

Acknowledgement

John Page (hyp3rlinx)

*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 i Access for Windows affected by vulnerabilities CVE-2015-2023 and CVE-2015-7422.