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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2017.2520 Ruby vulnerabilities 6 October 2017 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: ruby Publisher: Ubuntu Operating System: Ubuntu Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated Denial of Service -- Remote/Unauthenticated Overwrite Arbitrary Files -- Remote/Unauthenticated Access Confidential Data -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2017-14064 CVE-2017-14033 CVE-2017-10784 CVE-2017-10748 CVE-2017-0901 CVE-2017-0900 CVE-2017-0899 CVE-2017-0898 Reference: ASB-2017.0137 ESB-2017.2347 ESB-2017.2224 ESB-2017.2346.2 ESB-2017.2348 Original Bulletin: http://www.ubuntu.com/usn/usn-3439-1 - --------------------------BEGIN INCLUDED TEXT-------------------- ========================================================================== Ubuntu Security Notice USN-3439-1 October 05, 2017 ruby1.9.1 vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - - Ubuntu 14.04 LTS Summary: Several security issues were fixed in Ruby. Software Description: - - ruby1.9.1: Object-oriented scripting language Details: It was discovered that Ruby incorrectly handled certain inputs. An attacker could use this to cause a buffer overrun. (CVE-2017-0898) Yusuke Endoh discovered that Ruby incorrectly handled certain files. An attacker could use this to execute terminal escape sequences. (CVE-2017-0899) Yusuke Endoh discovered that Ruby incorrectly handled certain inputs. An attacker could use this to cause a denial of service. (CVE-2017-0900) It was discovered that Ruby incorrectly handled certain files. An attacker could use this to overwrite any file on the filesystem. (CVE-2017-0901) It was discovered that Ruby incorrectly handled certain inputs. An attacker could use this to execute arbitrary code. (CVE-2017-10784) It was discovered that Ruby incorrectly handled certain inputs. An attacker could use this to cause a denial of service. (CVE-2017-14033) It was discovered that Ruby incorrectly handled certain files. An attacker could use this to expose sensitive information. (CVE-2017-14064) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 14.04 LTS: Â libruby1.9.1 1.9.3.484-2ubuntu1.5 Â ruby1.9.1 1.9.3.484-2ubuntu1.5 Â ruby1.9.3 1.9.3.484-2ubuntu1.5 In general, a standard system update will make all the necessary changes. References: Â https://www.ubuntu.com/usn/usn-3439-1 Â CVE-2017-0898, CVE-2017-0899, CVE-2017-0900, CVE-2017-0901, Â CVE-2017-10748, CVE-2017-14033, CVE-2017-14064 Package Information: Â https://launchpad.net/ubuntu/+source/ruby1.9.1/1.9.3.484-2ubuntu1.5 - --------------------------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: http://www.auscert.org.au/render.html?cid=1980 =========================================================================== 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 iQIVAwUBWdbv24x+lLeg9Ub1AQgn+Q//RRuuQdJuxhhb7PW1FWhODT2OWl6vteDz 4xc65Mw3ocjBIFT3BYZGTMT0XdetAcPqLEs8cpiwee3XA96/1QU9BEn6rSfbZL2g dEh8JowHiRhldKWWI9V+viq6Im64t5rsTRZvMxeyso1IVA5p/qrktZ4TL8mge96s m4LAYEsHE/fGJk7z1tzLYan++VUc34cqsTw97jX+GZ+3NsxLNRckPAaE+ambLiS9 vODwipqG3pfZbdrV08bKAmRDpswjVv10j1nZTAVd0EWAiLXSmH/9EUStmsdMGDbr qdM3DKvS6lbktjv8D8jTSaC/zs/6PrHqFgE19qOc6mPsHfovLPYKFWs2eJCx9UaS /fmvatL0VFik6b9qyqw4rt28mIdrYWTu8qZLi5pEn+Jqfjn2R98HI8LSmWBE2rQB jwxfrDMXDl7OeWigU0IdNVenBqR3/N2BQlL5IZzeGs548aFGC/6py0A90zbThyv7 Z4tehhE+ZLoi8wV/a9uZC75WzZH2dV+0oZlpmHOh/hPHqGtyeBQycE9EJlRElv1H txyu26jZCu3bV0SI0wo004F2lQmkILM0oALcZU4A82zMuxdQXOZupUtXrqdlTZXT 58TAPnay6hAUJZARWmuCq7hjx6YCFu/6dXYJBIa9tqRvmnESM5WDtVm0oe2P8+U9 dGBNeoRDAOo= =0D6F -----END PGP SIGNATURE-----