Security Bulletin: A vulnerability exists in Apache Xalan-Java prior to 2.7.2 as used in IBM QRadar SIEM 7.1 MR2, and 7.2 MR2. (CVE-2014-0107)
IBM QRadar Security Information and Event Manager (SIEM) 7.1 MR2 and 7.2 MR2 utilizes Apache Xalan-Java that contains a vulnerability.
The TransformerFactory in Apache Xalan-Java before 2.7.2 does not properly restrict access to certain properties when FEATURE_SECURE_PROCESSING is enabled, which allows remote attackers to bypass expected restrictions and load arbitrary classes or access external resources via a crafted (1) xalan:content-header, (2) xalan:entities, (3) xslt:content-header, or (4) xslt:entities property, or a Java property that is bound to the XSLT 1.0 system-property function.
CVSS Base Score: 5
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/92023 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:P/A:N)
Affected Products and Versions
- IBM QRadar Security Information and Event Manager 7.1 MR2
- IBM QRadar Security Information and Event Manager 7.2 MR2
The recommended solution is to apply the fix for each named product as soon as practical. Please see below for information about the fixes available.
For QRadar SIEM 7.1 MR2:
- Upgrade to QRadar SIEM 7.1 MR2 Patch 7 - 7.1.0-QRADAR-QRSIEM-880308
For QRadar SIEM 7.2 MR2:
- Upgrade to QRadar SIEM 7.2 MR2 Patch 3 - 7.2.2-QRADAR-QRSIEM-882822
Workarounds and Mitigations
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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.
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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