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=========================================================== Ubuntu Security Notice USN-748-1 March 26, 2009 openjdk-6 vulnerabilities CVE-2006-2426, CVE-2009-1093, CVE-2009-1094, CVE-2009-1095, CVE-2009-1096, CVE-2009-1097, CVE-2009-1098, CVE-2009-1100, CVE-2009-1101, CVE-2009-1102 =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 8.10 This advisory also applies to the corresponding versions of Kubuntu, Edubuntu, and Xubuntu. The problem can be corrected by upgrading your system to the following package versions: Ubuntu 8.10: icedtea6-plugin 6b12-0ubuntu6.4 openjdk-6-jdk 6b12-0ubuntu6.4 openjdk-6-jre 6b12-0ubuntu6.4 openjdk-6-jre-headless 6b12-0ubuntu6.4 openjdk-6-jre-lib 6b12-0ubuntu6.4 After a standard system upgrade you need to restart any Java applications to effect the necessary changes. Details follow: It was discovered that font creation could leak temporary files. If a user were tricked into loading a malicious program or applet, a remote attacker could consume disk space, leading to a denial of service. (CVE-2006-2426, CVE-2009-1100) It was discovered that the lightweight HttpServer did not correctly close files on dataless connections. A remote attacker could send specially crafted requests, leading to a denial of service. (CVE-2009-1101) The Java Runtime Environment did not correctly validate certain generated code. If a user were tricked into running a malicious applet a remote attacker could execute arbitrary code. (CVE-2009-1102) It was discovered that LDAP connections did not close correctly. A remote attacker could send specially crafted requests, leading to a denial of service. (CVE-2009-1093) Java LDAP routines did not unserialize certain data correctly. A remote attacker could send specially crafted requests that could lead to arbitrary code execution. (CVE-2009-1094) Java did not correctly check certain JAR headers. If a user or automated system were tricked into processing a malicious JAR file, a remote attacker could crash the application, leading to a denial of service. (CVE-2009-1095, CVE-2009-1096) It was discovered that PNG and GIF decoding in Java could lead to memory corruption. If a user or automated system were tricked into processing a specially crafted image, a remote attacker could crash the application, leading to a denial of service. (CVE-2009-1097, CVE-2009-1098)