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Security Bulletin: IBM QRadar SIEM is vulnerable to Publicly disclosed Samba vulnerabilities (CVE-2018-10858, CVE-2018-1139)

Security Bulletin


Publicly disclosed Samba vulnerabilities

Vulnerability Details

CVEID: CVE-2018-10858
Description: Samba is vulnerable to a heap-based buffer overflow, caused by improper bounds checking by libsmbclient. By sending an overly long filename, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.
CVSS Base Score: 7.3
CVSS Temporal Score: See for the current score
CVSS Environmental Score: *Undefined

CVEID: CVE-2018-1139
Description: Samba could allow a remote attacker to obtain sensitive information, caused by the use of weak NTLMv1 authentication over an SMB1 transport. An attacker could exploit this vulnerability using man-in-the-middle techniques to read details passed between the samba server and client.
CVSS Base Score: 5.4
CVSS Temporal Score: See for the current score
CVSS Environmental Score: *Undefined

Affected Products and Versions

  • IBM QRadar SIEM 7.3.0 - 7.3.1 Patch 7


Workarounds and Mitigations


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Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

March 5th, 2019: First Publish

*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.


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: IBM QRadar SIEM

Software version: 7.3

Operating system(s): Linux

Software edition: All Editions

Reference #: 0874886

Modified date: 05 March 2019