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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2022.3297 Security Bulletin: IBM Integration Bus is vulnerable to denial of service due to ansi-regex module (CVE-2021-3807) 7 July 2022 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: IBM Integration Bus Publisher: IBM Operating System: Linux variants Windows Resolution: Mitigation CVE Names: CVE-2021-3807 Original Bulletin: https://www.ibm.com/support/pages/node/6601141 Comment: CVSS (Max): 7.5 CVE-2021-3807 (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 Integration Bus is vulnerable to denial of service due to ansi-regex module (CVE-2021-3807) Document Information Document number : 6601141 Modified date : 04 July 2022 Product : IBM Integration Bus Component : - Software version : - Operating system(s): Linux Windows Summary IBM Integration Bus is vulnerable to a denial of service, due to the ansi-regex module for Node.js (CVE-2021-3807). This affects the version of Node.js which is shipped with IBM Integration Bus for which a mitigation has been recommended. Vulnerability Details CVEID: CVE-2021-3807 DESCRIPTION: Chalk ansi-regex module for Node.js is vulnerable to a denial of service, caused by a regular expression denial of service (ReDoS) flaw. By sending a specially-crafted regex input, 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/ 209596 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 Integration Bus | | | |10.0.0.0 - 10.0.0.26| |(Linux x86-64 and Windows x86-64 only| | +-------------------------------------+--------------------+ Remediation/Fixes None Workarounds and Mitigations IBM strongly recommends addressing the vulnerability/vulnerabilities now by applying the appropriate action to IBM Integration Bus as outlined below For IBM Integration Bus v10 v10.0.0.24 -v10.0.0.26 users can disable Node.js. Refer to ' Disabling Node.js in IBM Integration Bus 10.0.0.24 and subsequent v10.0 fix packs ' Change History 20 Jun 2022: Initial Publication - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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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). 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