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Ubuntu alert USN-1317-1 (ghostscript)
========================================================================== Ubuntu Security Notice USN-1317-1 January 04, 2012 ghostscript vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 10.10 - Ubuntu 10.04 LTS - Ubuntu 8.04 LTS Summary: Ghostscript could be made to crash or run programs as your login if it opened a specially crafted file. Software Description: - ghostscript: The GPL Ghostscript PostScript/PDF interpreter Details: It was discovered that Ghostscript did not correctly handle memory allocation when parsing certain malformed JPEG-2000 images. If a user or automated system were tricked into opening a specially crafted image, an attacker could cause a denial of service and possibly execute arbitrary code with user privileges. (CVE-2008-3520) It was discovered that Ghostscript did not correctly handle certain formatting operations when parsing JPEG-2000 images. If a user or automated system were tricked into opening a specially crafted image, an attacker could cause a denial of service and possibly execute arbitrary code with user privileges. (CVE-2008-3522) It was discovered that Ghostscript incorrectly handled certain malformed TrueType fonts. If a user or automated system were tricked into opening a document containing a specially crafted font, an attacker could cause a denial of service and possibly execute arbitrary code with user privileges. This issue only affected Ubuntu 8.04 LTS. (CVE-2009-3743) It was discovered that Ghostscript incorrectly handled certain malformed Type 2 fonts. If a user or automated system were tricked into opening a document containing a specially crafted font, an attacker could cause a denial of service and possibly execute arbitrary code with user privileges. This issue only affected Ubuntu 8.04 LTS. (CVE-2010-4054) Jonathan Foote discovered that Ghostscript incorrectly handled certain malformed JPEG-2000 image files. If a user or automated system were tricked into opening a specially crafted JPEG-2000 image file, an attacker could cause Ghostscript to crash or possibly execute arbitrary code with user privileges. (CVE-2011-4516, CVE-2011-4517) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 10.10: libgs8 8.71.dfsg.2-0ubuntu7.1 Ubuntu 10.04 LTS: libgs8 8.71.dfsg.1-0ubuntu5.4 Ubuntu 8.04 LTS: libgs8 8.61.dfsg.1-1ubuntu3.4 In general, a standard system update will make all the necessary changes. References: http://www.ubuntu.com/usn/usn-1317-1 CVE-2008-3520, CVE-2008-3522, CVE-2009-3743, CVE-2010-4054, CVE-2011-4516, CVE-2011-4517 Package Information: https://launchpad.net/ubuntu/+source/ghostscript/8.71.dfs... https://launchpad.net/ubuntu/+source/ghostscript/8.71.dfs... https://launchpad.net/ubuntu/+source/ghostscript/8.61.dfs... -- 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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