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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2017.2679 curl vulnerability 24 October 2017 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: curl Publisher: Ubuntu Operating System: Ubuntu UNIX variants (UNIX, Linux, OSX) Windows Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2017-1000257 Original Bulletin: http://www.ubuntu.com/usn/usn-3457-1 Comment: This advisory references vulnerabilities in products which run on platforms other than Ubuntu. It is recommended that administrators running curl check for an updated version of the software for their operating system. - --------------------------BEGIN INCLUDED TEXT-------------------- USN-3457-1: curl vulnerability Ubuntu Security Notice USN-3457-1 23rd October, 2017 curl vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 17.10 Ubuntu 17.04 Ubuntu 16.04 LTS Ubuntu 14.04 LTS Summary curl could be made to crash or run programs if it received specially crafted network traffic. Software description curl - HTTP, HTTPS, and FTP client and client libraries Details Brian Carpenter discovered that curl incorrectly handled IMAP FETCH response lines. A remote attacker could use this issue to cause curl to crash, resulting in a denial of service, or possibly execute arbitrary code. Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 17.10: libcurl3-nss 7.55.1-1ubuntu2.1 curl 7.55.1-1ubuntu2.1 libcurl3-gnutls 7.55.1-1ubuntu2.1 libcurl3 7.55.1-1ubuntu2.1 Ubuntu 17.04: libcurl3-nss 7.52.1-4ubuntu1.3 curl 7.52.1-4ubuntu1.3 libcurl3-gnutls 7.52.1-4ubuntu1.3 libcurl3 7.52.1-4ubuntu1.3 Ubuntu 16.04 LTS: libcurl3-nss 7.47.0-1ubuntu2.4 curl 7.47.0-1ubuntu2.4 libcurl3-gnutls 7.47.0-1ubuntu2.4 libcurl3 7.47.0-1ubuntu2.4 Ubuntu 14.04 LTS: libcurl3-nss 7.35.0-1ubuntu2.12 curl 7.35.0-1ubuntu2.12 libcurl3-gnutls 7.35.0-1ubuntu2.12 libcurl3 7.35.0-1ubuntu2.12 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. In general, a standard system update will make all the necessary changes. References CVE-2017-1000257 - --------------------------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. 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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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