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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.0451 SUSE Security Update: Security update for nginx 13 February 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: nginx Publisher: SUSE Operating System: SUSE Impact/Access: Denial of Service -- Remote/Unauthenticated Access Confidential Data -- Remote/Unauthenticated Resolution: Mitigation CVE Names: CVE-2018-16845 CVE-2018-16844 CVE-2018-16843 Reference: ESB-2018.3686 ESB-2018.3672 ESB-2018.3524 ESB-2018.3490 Original Bulletin: https://www.suse.com/support/update/announcement/2019/suse-su-20190334-1/ - --------------------------BEGIN INCLUDED TEXT-------------------- SUSE Security Update: Security update for nginx ______________________________________________________________________________ Announcement ID: SUSE-SU-2019:0334-1 Rating: important References: #1115015 #1115022 #1115025 Cross-References: CVE-2018-16843 CVE-2018-16844 CVE-2018-16845 Affected Products: SUSE Linux Enterprise Module for Server Applications 15 SUSE Linux Enterprise Module for Open Buildservice Development Tools 15 ______________________________________________________________________________ An update that fixes three vulnerabilities is now available. Description: This update for nginx to version 1.14.2 fixes the following issues: Security vulnerabilities addressed: - CVE-2018-16843 CVE-2018-16844: Fixed an issue whereby a client using HTTP/2 might cause excessive memory consumption and CPU usage (bsc#1115025 bsc#1115022). - CVE-2018-16845: Fixed an issue which might result in worker process memory disclosure whne processing of a specially crafted mp4 file with the ngx_http_mp4_module (bsc#1115015). Other bug fixes and changes made: - Fixed an issue with handling of client addresses when using unix domain listen sockets to work with datagrams on Linux. - The logging level of the "http request", "https proxy request", "unsupported protocol", "version too low", "no suitable key share", and "no suitable signature algorithm" SSL errors has been lowered from "crit" to "info". - Fixed an issue with using OpenSSL 1.1.0 or newer it was not possible to switch off "ssl_prefer_server_ciphers" in a virtual server if it was switched on in the default server. - Fixed an issue with TLS 1.3 always being enabled when built with OpenSSL 1.1.0 and used with 1.1.1 - Fixed an issue with sending a disk-buffered request body to a gRPC backend - Fixed an issue with connections of some gRPC backends might not be cached when using the "keepalive" directive. - Fixed a segmentation fault, which might occur in a worker process if the ngx_http_mp4_module was used on 32-bit platforms. - Fixed an issue, whereby working with gRPC backends might result in excessive memory consumption. Patch Instructions: To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: - SUSE Linux Enterprise Module for Server Applications 15: zypper in -t patch SUSE-SLE-Module-Server-Applications-15-2019-334=1 - SUSE Linux Enterprise Module for Open Buildservice Development Tools 15: zypper in -t patch SUSE-SLE-Module-Development-Tools-OBS-15-2019-334=1 Package List: - SUSE Linux Enterprise Module for Server Applications 15 (aarch64 ppc64le s390x x86_64): nginx-1.14.2-3.3.1 nginx-debuginfo-1.14.2-3.3.1 nginx-debugsource-1.14.2-3.3.1 - SUSE Linux Enterprise Module for Open Buildservice Development Tools 15 (noarch): vim-plugin-nginx-1.14.2-3.3.1 References: https://www.suse.com/security/cve/CVE-2018-16843.html https://www.suse.com/security/cve/CVE-2018-16844.html https://www.suse.com/security/cve/CVE-2018-16845.html https://bugzilla.suse.com/1115015 https://bugzilla.suse.com/1115022 https://bugzilla.suse.com/1115025 - --------------------------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 iQIVAwUBXGOpx2aOgq3Tt24GAQjIghAA2Q2ZzuOGyBWftCIVKr+Vvf3UhKStWUy9 rw599/v5meLSZgiGwIgrdIy0l9Y8qF0fpBzFmCi+rtEWK3Js7/VXpN415m7vOhyH tFk/fMYAwxzid3nARNsXMvdLfJwpkr/lWZuTQMDc/7qIYwUOersTrIlK91/cPBgD ps3fJuWxNfXbRIoM5Tsp+FhYBAVKa4myvtdJ2JshIGMcUGgigOXqver5/sNJzi2V TvCjG/b5RnbYYK8i+yrFzMpJ/zdNDjwHDRiuiq7DxhII+9Y55FPj7jNyCfyUiF1E /in5OQ6/BR8n+A0A867DsYu0eB+xRwGdX0xgN/oeq7Ct7cT3AtXdyvwQ+1K2Hkxd +ywISkd4X4D5IbXS7XJCmTgiBHA1FdsyWC8ICJaaRlzRsZ36+p8GnrqwgaI3yG5A OQnsN+wSM4U3A0WUHwaenLVoH4gxLU6NyDM9/7fqeI3zR6CBNb+ZrvC1Fi7sSVcH lsNv22UHLPo42Z9GQcyUDeW6UDvIx+mxMKnNXW+hOevMHfeZBiFU6pgV58+2j1aV V3eJy1CMR6w++VQ/4jBIrOFFABZCFseopj639/Wc1D3uQJvM1Y9MedUAHXc/8fhW +kHBnq+JGSZukSHu+/akvVzAT52K6EjAX0gp3nZSM/RqMizDNvRyeYz4RHqwHIhb tJzpyK9sj+A= =9DhQ -----END PGP SIGNATURE-----