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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== 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 =========================================================================== 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 - --------------------------BEGIN INCLUDED TEXT-------------------- 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 - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. 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Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). 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