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AUSCERT External Security Bulletin Redistribution
ESB-2019.2554
Security Bulletin: IBM QRadar Incident Forensics is vulnerable to publicly
disclosed vulnerabilities from Apache Tika (CVE-2018-11761,
CVE-2018-11762, CVE-2018-8017, CVE-2018-11796)
11 July 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM QRadar SIEM
Publisher: IBM
Operating System: Linux variants
Impact/Access: Overwrite Arbitrary Files -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2018-11796 CVE-2018-11762 CVE-2018-11761
CVE-2018-8017
Reference: ASB-2019.0115
ESB-2018.3811
ESB-2018.3055
ESB-2018.2800
Original Bulletin:
http://www.ibm.com/support/docview.wss?uid=ibm10888135
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Security Bulletin: IBM QRadar Incident Forensics is vulnerable to publicly
disclosed vulnerabilities from Apache Tika (CVE-2018-11761, CVE-2018-11762,
CVE-2018-8017, CVE-2018-11796)
PSIRT
Document information
More support for: IBM QRadar SIEM
Software version: 7.2, 7.3
Operating system(s): Linux
Software edition: All Editions
Reference #: 0888135
Modified date: 10 July 2019
Summary
Open source Apache Tika as used in IBM QRadar Incident Forensics is affected
by multiple vulnerabilities
Vulnerability Details
CVEID: CVE-2018-11761
Description: Apache Tika is vulnerable to a denial of service, caused by the
failure to configure XML parsers to limit entity expansion. A remote attacker
could exploit this vulnerability to cause a denial of service.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
150101 for the current score
CVSS Environmental Score: *Undefined
CVSS Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CVEID: CVE-2018-11762
Description: Apache Tika could allow a remote attacker to overwrite arbitrary
files on the system, caused by the failure to specify an extract directory on
the commandline and the input file has an embedded file. An attacker could
exploit this vulnerability to overwrite a file.
CVSS Base Score: 3.7
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
150100 for the current score
CVSS Environmental Score: *Undefined
CVSS Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
CVEID: CVE-2018-8017
Description: Apache Tika is vulnerable to a denial of service, caused by an
error in the IptcAnpaParser. By persuading a victim to open a specially
crafted file, a remote attacker could exploit this vulnerability to cause the
application to enter into an infinite loop.
CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
150099 for the current score
CVSS Environmental Score: *Undefined
CVSS Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
CVEID: CVE-2018-11796
Description: Apache Tika is vulnerable to a denial of service, caused by a
flaw during XML parsing. A remote attacker could exploit this vulnerability to
cause the application to crash.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities
/151083 for the current score
CVSS Environmental Score: *Undefined
CVSS Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Affected Products and Versions
IBM QRadar 7.3 to 7.3.2 GA
IBM QRadar 7.2 to 7.2.8 Patch 15
Remediation/Fixes
IBM QRadar/QRM/QVM/QRIF/QNI 7.3.2 Patch 1
IBM QRadar/QRM/QVM/QRIF/QNI 7.3.1 Patch 8
IBM QRadar/QRM/QVM/QRIF/QNI 7.2.8 Patch 16
Workarounds and Mitigations
None
Change History
July 10th, 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.
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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