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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2018.1504 curl vulnerabilities 17 May 2018 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: cURL Publisher: Ubuntu Operating System: Ubuntu Linux variants Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction Denial of Service -- Remote with User Interaction Access Confidential Data -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2018-1000303 CVE-2018-1000301 CVE-2018-1000300 Original Bulletin: http://www.ubuntu.com/usn/usn-3648-1 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-------------------- ========================================================================== Ubuntu Security Notice USN-3648-1 May 16, 2018 curl vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - - Ubuntu 18.04 LTS - - Ubuntu 17.10 - - Ubuntu 16.04 LTS - - Ubuntu 14.04 LTS Summary: Several security issues were fixed in curl. Software Description: - - curl: HTTP, HTTPS, and FTP client and client libraries Details: Dario Weisser discovered that curl incorrectly handled long FTP server command replies. If a user or automated system were tricked into connecting to a malicious FTP server, a remote attacker could use this issue to cause curl to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 17.10 and Ubuntu 18.04 LTS. (CVE-2018-1000300) Max Dymond discovered that curl incorrectly handled certain RTSP responses. If a user or automated system were tricked into connecting to a malicious server, a remote attacker could use this issue to cause curl to crash, resulting in a denial of service, or possibly obtain sensitive information. (CVE-2018-1000301) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 18.04 LTS: curl 7.58.0-2ubuntu3.1 libcurl3-gnutls 7.58.0-2ubuntu3.1 libcurl3-nss 7.58.0-2ubuntu3.1 libcurl4 7.58.0-2ubuntu3.1 Ubuntu 17.10: curl 7.55.1-1ubuntu2.5 libcurl3 7.55.1-1ubuntu2.5 libcurl3-gnutls 7.55.1-1ubuntu2.5 libcurl3-nss 7.55.1-1ubuntu2.5 Ubuntu 16.04 LTS: curl 7.47.0-1ubuntu2.8 libcurl3 7.47.0-1ubuntu2.8 libcurl3-gnutls 7.47.0-1ubuntu2.8 libcurl3-nss 7.47.0-1ubuntu2.8 Ubuntu 14.04 LTS: curl 7.35.0-1ubuntu2.16 libcurl3 7.35.0-1ubuntu2.16 libcurl3-gnutls 7.35.0-1ubuntu2.16 libcurl3-nss 7.35.0-1ubuntu2.16 In general, a standard system update will make all the necessary changes. References: https://usn.ubuntu.com/usn/usn-3648-1 CVE-2018-1000300, CVE-2018-1000301, CVE-2018-1000303 Package Information: https://launchpad.net/ubuntu/+source/curl/7.58.0-2ubuntu3.1 https://launchpad.net/ubuntu/+source/curl/7.55.1-1ubuntu2.5 https://launchpad.net/ubuntu/+source/curl/7.47.0-1ubuntu2.8 https://launchpad.net/ubuntu/+source/curl/7.35.0-1ubuntu2.16 - --------------------------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 iQIVAwUBWvzEj4x+lLeg9Ub1AQjBqw//U6z45W4UGEbiDNhX/tffD4pGq6+2hvBO LOZRn7nDi7eiCWsZhNisJ6pEXpKJftBYGMeWE4P5SH/TzwERI1cHJecSBsumtuov nIqt50k50QL0iqpJrZLLue1hj7nvIw9PkAXpIyY2RGgUkCNHW374KF5Qpk/KGiMy fUoLjpHnP/iJMt6JSqUX7TkrLJgaPSE/GuDpLkYjpYqyLzJ/fRKH05usJkrMs9bN ms94JXPQ37eXMY0+iTpnRk0rSpv5L00sTHtg1+vlHIrOq9EEXx3+aWJ1Fouf2L3U t/38X1Sxk2p8pc9qPtydE+MFFbtMHMQeFDiYlOAhGRb4eOuxRNv4q2O8IVo/Lt9c TMa+9KLhrko83ieL9W9bl5tO4TbMUSgeFWLRrL0PydFQAwZQbbK1stShnCiE3DDu ZNvoHAsU3mcX3VQQ8D2Al1YjNWRwhG+2/oCl7mMUpw6JCDZRTE7/MChGmp25xlJ/ kTeJqlc3uFJP9LAMp7xsTOG//l0AAyX8E+F8C7tApcYVXlLCpj+yTVhsDWzNwx40 goyc5GzPrD9n2u6SK5vaoxajb8gnxExROmgpOSgFfC7PG1Yttcuvb0wV6shXleSt nNSVugs+jNNeBaduPzEPKqmtXMLfFPrFrFiAPUoMa0OOHJbQMdo/0xhgpg9qilbP Yi7iQj+oQhI= =Ec5S -----END PGP SIGNATURE-----