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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2022.5597 Security Bulletin: IBM MQ is affected by a denial of service issue in IBM WebSphere Application Server Liberty (CVE-2022-24839) 4 November 2022 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: IBM MQ Publisher: IBM Operating System: AIX Solaris IBM i Linux variants Windows Resolution: Patch/Upgrade CVE Names: CVE-2022-24839 Original Bulletin: https://www.ibm.com/support/pages/node/6836859 Comment: CVSS (Max): 7.5 CVE-2022-24839 (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) CVSS Source: IBM Calculator: https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - --------------------------BEGIN INCLUDED TEXT-------------------- IBM MQ is affected by a denial of service issue in IBM WebSphere Application Server Liberty (CVE-2022-24839) Document Information Document number : 6836859 Modified date : 03 November 2022 Product : IBM MQ Software version : 9.1.0, 9.2.0, 9.3.0 Operating system(s): AIX Solaris IBM i Linux Linux on IBM Z Systems Windows Summary An issue was identified in IBM WebSphere Application Server Liberty, which IBM MQ ships and uses to supply IBM MQ Console and IBM MQ REST API functionality. Vulnerability Details CVEID: CVE-2022-24839 DESCRIPTION: Sparkle Motion Nokogiri is vulnerable to a denial of service, caused by a java.lang.OutOfMemoryError exception when parsing ill-formed HTML markup in the fork of org.cyberneko.html. By sending a specially-crafted request, a remote attacker could exploit this vulnerability to cause a denial of service condition. CVSS Base score: 7.5 CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/ 224089 for the current score. CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) Affected Products and Versions +--------------------+----------+ |Affected Product(s) |Version(s)| +--------------------+----------+ |IBM MQ |9.1 LTS | +--------------------+----------+ |IBM MQ |9.2 LTS | +--------------------+----------+ |IBM MQ |9.3 LTS | +--------------------+----------+ |IBM MQ |9.1 CD | +--------------------+----------+ |IBM MQ |9.2 CD | +--------------------+----------+ |IBM MQ |9.3 CD | +--------------------+----------+ Remediation/Fixes This issue was resolved under APAR IT42209. IBM MQ 9.1 LTS Apply fix pack 9.1.0.12 IBM MQ 9.2 LTS Follow the instructions given in the Applying WebSphere Liberty interim fixes to the mqweb server document, to apply the IBM WebSphere Application Server Liberty fix for APAR PH48810 , or apply a future MQ 9.2.0 maintenance update containing a fix for IT42209 when available. IT42209 will be listed in the MQ 9.2.0 fix list when included in a future maintenance update. IBM MQ 9.3 LTS Follow the instructions given in the Applying WebSphere Liberty interim fixes to the mqweb server document, to apply the IBM WebSphere Application Server Liberty fix for APAR PH48810 , or apply a future MQ 9.3.0 maintenance update containing a fix for IT42209 when available. IT42209 will be listed in the MQ 9.3.0 fix list when included in a future maintenance update. IBM MQ 9.1 CD, 9.2 CD and 9.3 CD Upgrade to IBM MQ Version 9.3.1 Workarounds and Mitigations None Change History 03 Nov 2022: 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. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. 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). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: https://auscert.org.au/gpg-key/ iQIVAwUBY2S45skNZI30y1K9AQiWCRAAhigSLZIiNKeXqmhaznskmk0NuC+DcXi7 hq0XqT7xAnGltcDcpqwgOW2PFGTbE/pGblLWUvp8LUyTkoMoJNad5j//j5JtNzjc Qqk6k33L4E9wbWhkbZpN0SHYgjjfer2u60KbuyngdOvqDV3w14TMR/FOO00JEUyi vlnPD96BgVcLCxaCGqyFDJ4vpBCFsHJhRY8jWjDWTngG2EwAE543PJoAYjr8DX10 OngFMxI9rzdTyeNbfdlsC7ReZwlbwFTuN3ryvUNYcof17am/pXv3hhy32zxl2pDo mxjORl4Y85cBWw+3T56CU8YVmWh0iuNl6JbJW8m8OjZOMhqIMKhtlpQYhi2b2wV8 hPRiKC4vECUbrNG0WDPvhR5TuWgf9Fc9XK8GzDbVAatF5gv0WrvvCaVbx/CAzrRS 0e7pLu9K7UxjU1sJvvNbzRlrcagPy8nAebs/kYrOtZwvs9Ihx5EPdgMjN2q99FGb xbfs3k3FgqP93161WY58NWUm2kIYbd4SC/w3avJFOPGKor1/UUBdRjeP2BklKaXR bYm7YR7X3c4eoLnj2fY1Y5GuK6O3HFefv00nAYAK9exwW1V34qofpkfaoxsrV6zY Qgm5LaGZRgA6buo5ytN3nEsF/FstA2MXrsY722GHhxkuWTRsSm1pZztXlmN2Iojz IxdkfixrPPM= =wgGf -----END PGP SIGNATURE-----