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Security Bulletin: IBM i is affected by the following SAMBA vulnerabilities: CVE-2014-0178 and CVE-2014-0239

Security Bulletin


Summary

Security vulnerabilities have been discovered in SAMBA.

Vulnerability Details

CVE-ID: CVE-2014-0178

DESCRIPTION: Samba could allow a remote authenticated attacker to obtain sensitive information, caused by the failure to properly initialize the SRV_SNAPSHOT_ARRAY response field. An attacker could exploit this vulnerability using a FSCTL_GET_SHADOW_COPY_DATA or FSCTL_SRV_ENUMERATE_SNAPSHOTS request to obtain sensitive information.

CVSS Base Score: 3.5
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/93455 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:S/C:P/I:N/A:N)

CVE-ID: CVE-2014-0239

DESCRIPTION: The internal DNS server in Samba 4.x before 4.0.18 does not check the QR field in the header section of an incoming DNS message before sending a response, which allows remote attackers to cause a denial of service (CPU and bandwidth consumption) via a forged response packet that triggers a communication loop, a related issue to CVE-1999-0103.

CVSS Base Score: 5.0
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/93445 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P)

Affected Products and Versions

Release 7.2 of IBM i are affected.

Remediation/Fixes
The issue can be fixed by applying the SAMAB PTF to the IBM i System.

The IBM i PTF numbers are:

Release 7.2 – SI53782


Workarounds and Mitigations
None known

Reference
Complete CVSS Guide
On-line Calculator V2
OpenSSL Project vulnerability website


Related Information
IBM Secure Engineering Web Portal


Acknowledgement
None

Change History
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.

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References

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*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:
18 December 2019

UID

nas8N1020176