지락문화예술공작단

USN-3519-1: Tomcat vulnerabilities Ubuntu Security Notice USN-3519-1 8th January, 2018 tomcat7, tomcat8 vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 17.04 Ubuntu 16.04 LTS Ubuntu 14.04 LTS Summary Several security issues were fixed in Tomcat. Software description tomcat7 – Servlet and JSP engine tomcat8 – Servlet and JSP engine Details It was discovered that Tomcat incorrectly handled certain pipelinedrequests when sendfile was used. A remote attacker could use this issue toobtain wrong responses possibly containing sensitive information.(CVE-2017-5647) It was discovered that Tomcat incorrectly used the appropriate facadeobject. A malicious application could possibly use this to bypass SecurityManager restrictions. (CVE-2017-5648) It was discovered that Tomcat incorrectly handled error pages. A remoteattacker could possibly use this issue to replace or remove the customerror page. (CVE-2017-5664) It was discovered that Tomcat incorrectly handled the CORS filter. A remoteattacker [ more… ]

USN-3520-1: PySAML2 vulnerability Ubuntu Security Notice USN-3520-1 8th January, 2018 python-pysaml2 vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 17.10 Ubuntu 17.04 Ubuntu 16.04 LTS Summary PySAML2 could allow authentication without a password. Software description python-pysaml2 – Pure python implementation of SAML2 Details It was discovered that PySAML2 incorrectly accepted any password when runwith python optimizations enabled. An attacker could use this issue toauthenticate as any user without a valid password. Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 17.10: python-pysaml2 3.0.0-3ubuntu2.2 python3-pysaml2 3.0.0-3ubuntu2.2 Ubuntu 17.04: python-pysaml2 3.0.0-3ubuntu1.17.04.3 python3-pysaml2 3.0.0-3ubuntu1.17.04.3 Ubuntu 16.04 LTS: python-pysaml2 3.0.0-3ubuntu1.16.04.3 python3-pysaml2 3.0.0-3ubuntu1.16.04.3 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-2017-1000433 Source: USN-3520-1: PySAML2 vulnerability

USN-3517-1: poppler vulnerabilities Ubuntu Security Notice USN-3517-1 8th January, 2018 poppler vulnerabilities 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 Several security issues were fixed in poppler. Software description poppler – PDF rendering library Details It was discovered that poppler incorrectly handled certain files.If a user or automated system were tricked into opening a crafted PDFfile, an attacker could execute arbitrary. (CVE-2017-1000456) It was discovered that poppler incorrectly handled certain files.If a user or automated system were tricked into opening a crafted PDFfile, an attacker could cause a denial of service. This issue onlyaffected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 16.10. (CVE-2017-14976) Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 17.10: libpoppler68 0.57.0-2ubuntu4.2 poppler-utils 0.57.0-2ubuntu4.2 [ more… ]