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Ubuntu alert USN-1521-1 (icedtea-web)
========================================================================== Ubuntu Security Notice USN-1521-1 July 31, 2012 icedtea-web vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 12.04 LTS - Ubuntu 11.10 - Ubuntu 11.04 - Ubuntu 10.04 LTS Summary: The IcedTea-Web Java web browser plugin could be made to crash or possibly run programs as your login if it opened a specially crafted applet. Software Description: - icedtea-web: A web browser plugin to execute Java applets Details: Chamal De Silva discovered that the IcedTea-Web Java web browser plugin could dereference an uninitialized pointer. A remote attacker could use this to craft a malicious web page that could cause a denial of service by crashing the web browser or possibly execute arbitrary code. (CVE-2012-3422) Steven Bergom and others discovered that the IcedTea-Web Java web browser plugin assumed that all strings provided by browsers are NULL terminated, which is not guaranteed by the NPAPI (Netscape Plugin Application Programming Interface). A remote attacker could use this to craft a malicious Java applet that could cause a denial of service by crashing the web browser, expose sensitive information or possibly execute arbitrary code. (CVE-2012-3423) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 12.04 LTS: icedtea-6-plugin 1.2-2ubuntu1.1 icedtea-7-plugin 1.2-2ubuntu1.1 Ubuntu 11.10: icedtea-6-plugin 1.2-2ubuntu0.11.10.2 Ubuntu 11.04: icedtea-6-plugin 1.2-2ubuntu0.11.04.2 Ubuntu 10.04 LTS: icedtea-6-plugin 1.2-2ubuntu0.10.04.2 After a standard system update you need to restart your web browser to make all the necessary changes. References: http://www.ubuntu.com/usn/usn-1521-1 CVE-2012-3422, CVE-2012-3423 Package Information: https://launchpad.net/ubuntu/+source/icedtea-web/1.2-2ubu... https://launchpad.net/ubuntu/+source/icedtea-web/1.2-2ubu... https://launchpad.net/ubuntu/+source/icedtea-web/1.2-2ubu... https://launchpad.net/ubuntu/+source/icedtea-web/1.2-2ubu... -- ubuntu-security-announce mailing list ubuntu-security-announce@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-security... (Log in to post comments)
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