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             AUSCERT External Security Bulletin Redistribution

                               ESB-2021.4052
 Security Bulletin: Apache PDFBox as used by IBM QRadar SIEM is vulnerable
        to denial of service (DOS) (CVE-2021-31811, CVE-2021-31812)
                              1 December 2021

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           IBM QRadar SIEM
Publisher:         IBM
Operating System:  Linux variants
Impact/Access:     Denial of Service -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2021-31812 CVE-2021-31811 

Reference:         ESB-2021.2816

Original Bulletin: 
   https://www.ibm.com/support/pages/node/6520478

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Apache PDFBox as used by IBM QRadar SIEM is vulnerable to denial of service
(DOS) (CVE-2021-31811, CVE-2021-31812)

Document Information

Document number    : 6520478
Modified date      : 30 November 2021
Product            : IBM QRadar SIEM
Software version   : 7.3, 7.4
Operating system(s): Linux

Summary

Apache PDFBox as used by IBM QRadar SIEM is vulnerable to denial of service

Vulnerability Details

CVEID: CVE-2021-31811
DESCRIPTION: Apache PDFBox is vulnerable to a denial of service, caused by an
out-of-memory exception while loading a file. By persuading a victim to open a
specially-crafted PDF file, a remote attacker could exploit this vulnerability
to cause a denial of service.
CVSS Base score: 5.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
203615 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)

CVEID: CVE-2021-31812
DESCRIPTION: Apache PDFBox is vulnerable to a denial of service, caused by an
error while loading a file. By persuading a victim to open a specially-crafted
PDF file, a remote attacker could exploit this vulnerability to cause the
system to enter into an infinite loop.
CVSS Base score: 5.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
203587 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)

Affected Products and Versions

IBM QRadar SIEM 7.3.0 to 7.3.3 Fix Pack 9

IBM QRadar SIEM 7.4.0 to 7.4.3 Fix Pack 3

Remediation/Fixes

QRadar / QRM / QVM / QRIF / QNI 7.3.3 Fix Pack 10

QRadar / QRM / QVM / QRIF / QNI 7.4.3 Fix Pack 4

Workarounds and Mitigations

None

Change History

26 Nov 2021: Initial Publication

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