{"id":11911,"date":"2013-03-15T10:04:00","date_gmt":"2013-03-15T18:04:00","guid":{"rendered":"http:\/\/www.intego.com\/mac-security-blog\/?p=11911"},"modified":"2026-07-04T02:33:11","modified_gmt":"2026-07-04T09:33:11","slug":"safari-6-0-3-security-update-fixes-webkit-flaws","status":"publish","type":"post","link":"https:\/\/www.intego.com\/mac-security-blog\/safari-6-0-3-security-update-fixes-webkit-flaws\/","title":{"rendered":"Safari 6.0.3 Security Update Fixes WebKit Flaws"},"content":{"rendered":"<p>Apple has issued security updates to Safari, updating its web browser to version 6.0.3. The 48.5 MB update to Safari 6.0.3 is available for OS X Lion v10.7.5 and OS X Mountain Lion v.10.8.2, and fixes a number of WebKit flaws and some cross-site scripting issues. The software update coincides with Apple\u2019s released of <a href=\"http:\/\/support.apple.com\/kb\/HT5672\">OS X Mountain Lion v10.8.3<\/a> and Security Update 2013-001, which addressed multiple security problems and includes a malware removal tool.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-11913\" title=\"Safari 6.0.3 Software Update\" src=\"https:\/\/www.intego.com\/mac-security-blog\/wp-content\/uploads\/2013\/03\/Safari-6.0.3-Software-Update.png\" alt=\"Safari 6.0.3 security updates resolve WebKit flaws\" width=\"602\" height=\"624\" srcset=\"https:\/\/www.intego.com\/mac-security-blog\/wp-content\/uploads\/2013\/03\/Safari-6.0.3-Software-Update.png 602w, https:\/\/www.intego.com\/mac-security-blog\/wp-content\/uploads\/2013\/03\/Safari-6.0.3-Software-Update-144x150.png 144w, https:\/\/www.intego.com\/mac-security-blog\/wp-content\/uploads\/2013\/03\/Safari-6.0.3-Software-Update-289x300.png 289w\" sizes=\"auto, (max-width: 602px) 100vw, 602px\" \/><\/p>\n<p>Fixed in the Safari 6.0.3 <a href=\"http:\/\/support.apple.com\/kb\/HT5671\" target=\"_blank\">update<\/a> are a couple of use-after-free vulnerabilities, multiple memory corruption issues that existed in WebKit, a cross-site scripting issue that existed in the handling of frame elements, and a cross-site scripting issue that existed in the handling of content pasted from a different origin.<\/p>\n<p>Following are details of the two use-after-free vulnerabilities resolved in this software update:<\/p>\n<ul>\n<li><a href=\"http:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=CVE-2012-2824\" target=\"_blank\">CVE-2012-2824<\/a>\u00a0:\u00a0Use-after-free vulnerability in Google Chrome before 20.0.1132.43 allows remote attackers to cause a denial of service or possibly have unspecified other impact via vectors related to SVG painting.<\/li>\n<li><a href=\"http:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=CVE-2012-2857\" target=\"_blank\">CVE-2012-2857<\/a>\u00a0:\u00a0Use-after-free vulnerability in the Cascading Style Sheets (CSS) DOM implementation in Google Chrome before 21.0.1180.57 on Mac OS X and Linux, and before 21.0.1180.60 on Windows and Chrome Frame, allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted document.<\/li>\n<\/ul>\n<p>Also resolved in this update are 13 memory corruption flaws that existed in WebKit, which may lead to an unexpected application termination or arbitrary code execution if visiting a maliciously crafted website.\u00a0Apple addressed these issues \u201cthrough improved memory handling.\u201d<\/p>\n<p>Following are details of the WebKit flaws fixed in this update:<\/p>\n<ul>\n<li><a href=\"http:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=CVE-2013-0948\" target=\"_blank\">CVE-2013-0948<\/a> :\u00a0<a href=\"http:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=CVE-2013-0949\" target=\"_blank\">CVE-2013-0949<\/a>\u00a0:\u00a0<a href=\"http:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=CVE-2013-0950\" target=\"_blank\">CVE-2013-0950<\/a>\u00a0:\u00a0<a href=\"http:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=CVE-2013-0951\" target=\"_blank\">CVE-2013-0951<\/a>\u00a0:\u00a0<a href=\"http:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=CVE-2013-0952\" target=\"_blank\">CVE-2013-0952<\/a>\u00a0:\u00a0<a href=\"http:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=CVE-2013-0953\" target=\"_blank\">CVE-2013-0953<\/a>\u00a0:\u00a0<a href=\"http:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=CVE-2013-0954\" target=\"_blank\">CVE-2013-0954<\/a>\u00a0:\u00a0<a href=\"http:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=CVE-2013-0955\" target=\"_blank\">CVE-2013-0955<\/a>\u00a0:\u00a0<a href=\"http:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=CVE-2013-0956\" target=\"_blank\">CVE-2013-0956<\/a>\u00a0:\u00a0<a href=\"http:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=CVE-2013-0958\" target=\"_blank\">CVE-2013-0958<\/a>\u00a0:\u00a0<a href=\"http:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=CVE-2013-0959\" target=\"_blank\">CVE-2013-0959<\/a>\u00a0: WebKit, as used in Apple iOS before 6.1, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site, different vulnerabilities than other WebKit CVEs listed in APPLE-SA-2013-01-28-1.<\/li>\n<li><a href=\"http:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=CVE-2013-0960\" target=\"_blank\">CVE-2013-0960<\/a>\u00a0:\u00a0<a href=\"http:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=CVE-2013-0961\" target=\"_blank\">CVE-2013-0961<\/a>\u00a0:\u00a0Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution.<\/li>\n<\/ul>\n<p>Additionally, a cross-site scripting issue was resolved in this update, which existed in the handling of frame elements and may impact users visiting a maliciously crafted website with a cross-site scripting attack.\u00a0Apple addressed this problem \u201cthrough improved origin tracking.\u201d<\/p>\n<p>Following are details of CVE-2012-2889:<\/p>\n<ul>\n<li><a href=\"http:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=CVE-2012-2889\" target=\"_blank\">CVE-2012-2889<\/a> : Cross-site scripting (XSS) vulnerability in Google Chrome before 22.0.1229.79 allows remote attackers to inject arbitrary web script or HTML via vectors involving frames, aka &#8220;Universal XSS (UXSS).&#8221;<\/li>\n<\/ul>\n<p>Lastly, another cross-site scripting issue existed in the handling of content pasted from a different origin. \u201cCopying and pasting content on a malicious website may lead to a cross-site scripting attack,\u201d described Apple on the impact of this flaw.\u00a0Apple addressed this problem \u201cthrough additional validation of pasted content.\u201d<\/p>\n<p>Following are details of CVE-2013-0962:<\/p>\n<ul>\n<li><a href=\"http:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=CVE-2013-0962\" target=\"_blank\">CVE-2013-0962<\/a> : Cross-site scripting (XSS) vulnerability in WebKit in Apple iOS before 6.1 allows user-assisted remote attackers to inject arbitrary web script or HTML via crafted content that is not properly handled during a copy-and-paste operation.<\/li>\n<\/ul>\n<p>Here at Intego, we always recommend <a href=\"https:\/\/www.intego.com\/mac-security-blog\/do-software-updates-make-you-feel-safer-or-sorry\/\">updating your software<\/a>\u00a0regularly as it is an essential layer of security that helps protect your digital life. Mac users can install the latest updates by choosing Apple menu &gt; <strong>Software Update<\/strong> (if prompted, enter an admin password).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Apple has issued security updates to Safari, updating its web browser to version 6.0.3. The 48.5 MB update to Safari 6.0.3 is available for OS X Lion v10.7.5 and OS X Mountain Lion v.10.8.2, and fixes a number of WebKit flaws and some cross-site scripting issues. The software update coincides with Apple\u2019s released of OS [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":9929,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[115,251,201],"class_list":["post-11911","post","type-post","status-publish","format-standard","has-post-thumbnail","category-security-news","tag-safari","tag-safari-6-0-3","tag-security-updates"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO Pro 5.0.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Apple has issued security updates to Safari, updating its web browser to version 6.0.3. The 48.5 MB update to Safari 6.0.3 is available for OS X Lion v10.7.5 and OS X Mountain Lion v.10.8.2, and fixes a number of WebKit flaws and some cross-site scripting issues. The software update coincides with Apple\u2019s released of OS\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Derek Erwin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/www.intego.com\/mac-security-blog\/safari-6-0-3-security-update-fixes-webkit-flaws\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO Pro (AIOSEO) 5.0.1\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"The Mac Security Blog - Keep Macs safe from the dangers of the Internet\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Safari 6.0.3 Security Update Fixes WebKit Flaws\" \/>\n\t\t<meta property=\"og:description\" content=\"Apple has issued security updates to Safari, updating its web browser to version 6.0.3. 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