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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.2164 IBM i is affected by networking BIND vulnerability CVE-2018-5743 19 June 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: BIND Publisher: IBM Operating System: IBM i Impact/Access: Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2018-5743 Reference: ESB-2019.2152 ESB-2019.1408 ESB-2019.1405.2 Original Bulletin: http://www.ibm.com/support/docview.wss?uid=ibm10883384 - --------------------------BEGIN INCLUDED TEXT-------------------- IBM i is affected by networking BIND vulnerability CVE-2018-5743 Product: IBM i Software version: 7.1,7.2,7.3,7.4 Operating system(s): IBM i Reference #: 0883384 Security Bulletin Summary ISC BIND is vulnerable to this security vulnerability. IBM i has addressed this vulnerability. Vulnerability Details CVEID: CVE-2018-5743 DESCRIPTION: ISC BIND is vulnerable to a denial of service, caused by a flaw when setting the TCP client quota using the tcp-clients option. By sending a specially-crafted request, a remote attacker could exploit this vulnerability to cause the exhaustion of file descriptors. CVSS Base Score: 7.5 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 160127 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:H) Affected Products and Versions Releases 7.1, 7.2, 7.3, and 7.4 of IBM i are affected. Remediation/Fixes The issue can be fixed by applying a PTF to IBM i. Releases 7.1, 7.2, 7.3, and 7.4 of IBM i are supported and will be fixed. The IBM i PTF numbers are: Release 7.1 - SI69882 Release 7.2 - SI69883 Release 7.3 - SI69885 Release 7.4 - SI69886 https://www-945.ibm.com/support/fixcentral/ Important note: IBM recommends that all users running unsupported versions of affected products upgrade to supported and fixed version of affected products. Workarounds and Mitigations None Change History 17 June 2019: Original Version Published Cross reference information Product Component Platform Version Edition IBM i 7.1 IBM i 7.1 IBM i 7.2 IBM i 7.2 IBM i 7.3 IBM i 7.3 IBM i 7.4 IBM i 7.4 - --------------------------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: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBXQlzfWaOgq3Tt24GAQhJZQ/9HuKdcypufd2WVT7DTF8tsFsalClT98fS /XalFU7/5c53V9RiJtudB+dpHbeU+XXlfwKZXg84TGsro9+unlsFcIm1c/ssydKT kkmPNrHeSPbpf15zidMhEnd+1wosN0getPjz4h0xVmEGlzE/LaMwrH8FEQjyRM2W R7KV5SSI3rXvKCj99gQli+hAMXewXO/zAdK/VnAWOBagtv2OhM65u201LHPa3K6y 7Z0vi4zULAT43ed10Y9crZgEPyhQ/cNeiaGhl9OfzjR/2tsdUjZP9CP2WdwydXsJ +nEy4ldBBX2AAWxv+Wd+EpWOWtSzhuGgLbs8cT+pdfmqqE+wiASw2tqTw4nXQv3t 8I9RCzmkaUF2NiLUVnaDW3Tffv5npZf503DtCsv0jb1/r5lZmr4HLLXYEK43JXiD 4u5N6cYit89H2J3UFsSwoWs/+ojhR1ljGVThx870Rjik2wZF2uIITesuNi6Y8AaC yxm1YALBxpidBMzrqwQcb8z2mcBjI5g4vPbxj9wzFeMpGUlM06C5zlbmO9c4pZSl hhJHU9gBgfNy2TV3g/euLhxdlVMiOlan11UXs95junZP2XM2nGN+uI8x0VsaUw1r LmeRen0zPOuDSy52s54tKi+jDpwp/ebpk+Gx9mnuDt1W2Q0L0okSnRtenwbZcwFb gPGdvhDgouo= =cNOG -----END PGP SIGNATURE-----