Desde la lista de «seguridad» de Apple nos llega el aviso de nuevas versiones (Safari 5.1 y Safari 5.0.6) de su navegador web Apple que vienen a corregir una larga lista de vulnerabilidades para Mac OS X 10.6.8, Windows 7, Vista, XP SP2, etc.
Es por ello, que es más que recomendable su inmediata actualización desde el sitio web de descargas de Safari o bien vía el menú «Actualización de software» en vuestros Mac.
A continuación la lista completa de bugs corregidos y todos los detalles (ENG);
CFNetwork Available for: Windows 7, Vista, XP SP2 or later Impact: Visiting a maliciously crafted website may lead to a cross- site scripting attack Description: In certain situations, Safari may treat a file as HTML, even if it is served with the 'text/plain' content type. This may lead to a cross-site scripting attack on sites that allow untrusted users to post text files. This issue is addressed through improved handling of 'text/plain' content. CVE-ID CVE-2010-1420 : Hidetake Jo working with Microsoft Vulnerability Research (MSVR), Neal Poole of Matasano Security CFNetwork Available for: Windows 7, Vista, XP SP2 or later Impact: Authenticating to a maliciously crafted website may lead to arbitrary code execution Description: The NTLM authentication protocol is susceptible to a replay attack referred to as credential reflection. Authenticating to a maliciously crafted website may lead to arbitrary code execution. To mitigate this issue, Safari has been updated to utilize protection mechanisms recently added to Windows. This issue does not affect Mac OS X systems. CVE-ID CVE-2010-1383 : Takehiro Takahashi of IBM X-Force Research CFNetwork Available for: Windows 7, Vista, XP SP2 or later Impact: A root certificate that is disabled may still be trusted Description: CFNetwork did not properly validate that a certificate was trusted for use by a SSL server. As a result, if the user had marked a system root certificate as not trusted, Safari would still accept certificates signed by that root. This issue is addressed through improved certificate validation. This issue does not affect Mac OS X systems. CVE-ID CVE-2011-0214 : An anonymous reporter ColorSync Available for: Windows 7, Vista, XP SP2 or later Impact: Viewing a maliciously crafted image with an embedded ColorSync profile may lead to an unexpected application termination or arbitrary code execution Description: An integer overflow existed in the handling of images with an embedded ColorSync profile, which may lead to a heap buffer overflow. Opening a maliciously crafted image with an embedded ColorSync profile may lead to an unexpected application termination or arbitrary code execution. For Mac OS X v10.5 systems, this issue is addressed in Security Update 2011-004. CVE-ID CVE-2011-0200 : binaryproof working with TippingPoint's Zero Day Initiative CoreFoundation Available for: Windows 7, Vista, XP SP2 or later Impact: Applications that use the CoreFoundation framework may be vulnerable to an unexpected application termination or arbitrary code execution Description: An off-by-one buffer overflow issue existed in the handling of CFStrings. Applications that use the CoreFoundation framework may be vulnerable to an unexpected application termination or arbitrary code execution. For Mac OS X v10.6 systems, this issue is addressed in Mac OS X v10.6.8. CVE-ID CVE-2011-0201 : Harry Sintonen CoreGraphics Available for: Windows 7, Vista, XP SP2 or later Impact: Opening a maliciously crafted PDF file may lead to an unexpected application termination or arbitrary code execution Description: An integer overflow issue existed in the handling of Type 1 fonts. Viewing or downloading a document containing a maliciously crafted embedded font may lead to arbitrary code execution. For Mac OS X v10.6 systems, this issue is addressed in Mac OS X v10.6.8. For Mac OS X v10.5 systems, this issue is addressed in Security Update 2011-004. CVE-ID CVE-2011-0202 : Cristian Draghici of Modulo Consulting, Felix Grobert of the Google Security Team International Components for Unicode Available for: Windows 7, Vista, XP SP2 or later Impact: Applications that use ICU may be vulnerable to an unexpected application termination or arbitrary code execution Description: A buffer overflow issue existed in ICU's handling of uppercase strings. Applications that use ICU may be vulnerable to an unexpected application termination or arbitrary code execution. For Mac OS X v10.6 systems, this issue is addressed in Mac OS X v10.6.8. CVE-ID CVE-2011-0206 : David Bienvenu of Mozilla ImageIO Available for: Windows 7, Vista, XP SP2 or later Impact: Viewing a maliciously crafted TIFF image may lead to an unexpected application termination or arbitrary code execution Description: A heap buffer overflow existed in ImageIO's handling of TIFF images. Viewing a maliciously crafted TIFF image may lead to an unexpected application termination or arbitrary code execution. For Mac OS X v10.6 systems, this issue is addressed in Mac OS X v10.6.8. For Mac OS X v10.5 systems, this issue is addressed in Security Update 2011-004. CVE-ID CVE-2011-0204 : Dominic Chell of NGS Secure ImageIO Available for: Windows 7, Vista, XP SP2 or later Impact: Viewing a maliciously crafted TIFF image may lead to an unexpected application termination or arbitrary code execution Description: A heap buffer overflow existed in ImageIO's handling of CCITT Group 4 encoded TIFF images. Viewing a maliciously crafted TIFF image may lead to an unexpected application termination or arbitrary code execution. CVE-ID CVE-2011-0241 : Cyril CATTIAUX of Tessi Technologies ImageIO Available for: Windows 7, Vista, XP SP2 or later Impact: Viewing a maliciously crafted TIFF image may lead to an unexpected application termination or arbitrary code execution Description: A reentrancy issue existed in ImageIO's handling of TIFF images. Viewing a maliciously crafted TIFF image may lead to an unexpected application termination or arbitrary code execution. This issue does not affect Mac OS X systems. CVE-ID CVE-2011-0215 : Juan Pablo Lopez Yacubian working with iDefense VCP ImageIO Available for: Windows 7, Vista, XP SP2 or later Impact: Viewing a maliciously crafted TIFF image may lead to an unexpected application termination or arbitrary code execution Description: A heap buffer overflow existed in ImageIO's handling of TIFF images. Viewing a maliciously crafted TIFF image may lead to an unexpected application termination or arbitrary code execution. For Mac OS X v10.6 systems, this issue is addressed in Mac OS X v10.6.8. For Mac OS X v10.5 systems, this issue is addressed in Security Update 2011-004. CVE-ID CVE-2011-0204 : Dominic Chell of NGS Secure libxslt Available for: Windows 7, Vista, XP SP2 or later Impact: Visiting a maliciously crafted website may lead to the disclosure of addresses on the heap Description: libxslt's implementation of the generate-id() XPath function disclosed the address of a heap buffer. Visiting a maliciously crafted website may lead to the disclosure of addresses on the heap. This issue is addressed by generating an ID based on the difference between the addresses of two heap buffers. For Mac OS X v10.6 systems, this issue is addressed in Mac OS X v10.6.8. For Mac OS X v10.5 systems, this issue is addressed in Security Update 2011-004. CVE-ID CVE-2011-0195 : Chris Evans of the Google Chrome Security Team libxml Available for: Windows 7, Vista, XP SP2 or later Impact: Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution Description: A one-byte heap buffer overflow existed in libxml's handling of XML data. Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution. CVE-ID CVE-2011-0216 : Billy Rios of the Google Security Team Safari Available for: Mac OS X v10.6.8 or later, Mac OS X Server v10.6.8 or later, Windows 7, Vista, XP SP2 or later Impact: If the "AutoFill web forms" feature is enabled, visiting a maliciously crafted website and typing may lead to the disclosure of information from the user's Address Book Description: Safari's "AutoFill web forms" feature filled in non- visible form fields, and the information was accessible by scripts on the site before the user submitted the form. This issue is addressed by displaying all fields that will be filled, and requiring the user's consent before AutoFill information is available to the form. CVE-ID CVE-2011-0217 : Florian Rienhardt of BSI, Alex Lambert, [Jeremiah Grossman] Safari Available for: Mac OS X v10.5.8, Mac OS X Server v10.5.8, Mac OS X v10.6.8 or later, Mac OS X Server v10.6.8 or later, Windows 7, Vista, XP SP2 or later Impact: With a certain Java configuration, visiting a malicious website may lead to unexpected text being displayed on other sites Description: A cross origin issue existed in the handling of Java Applets. This applies when Java is enabled in Safari, and Java is configured to run within the browser process. Fonts loaded by a Java applet could affect the display of text content from other sites. This issue is addressed by running Java applets in a separate process. CVE-ID CVE-2011-0219 : Joshua Smith of Kaon Interactive WebKit Available for: Mac OS X v10.5.8, Mac OS X Server v10.5.8, Mac OS X v10.6.8 or later, Mac OS X Server v10.6.8 or later, Windows 7, Vista, XP SP2 or later Impact: Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution Description: Multiple memory corruption issues existed in WebKit. Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution. CVE-ID CVE-2010-1823 : David Weston of Microsoft and Microsoft Vulnerability Research (MSVR), wushi of team509, and Yong Li of Research In Motion Ltd CVE-2011-0164 : Apple CVE-2011-0218 : SkyLined of Google Chrome Security Team CVE-2011-0221 : Abhishek Arya (Inferno) of Google Chrome Security Team CVE-2011-0222 : Nikita Tarakanov and Alex Bazhanyuk of the CISS Research Team, and Abhishek Arya (Inferno) of Google Chrome Security Team CVE-2011-0223 : Jose A. Vazquez of spa-s3c.blogspot.com working with iDefense VCP CVE-2011-0225 : Abhishek Arya (Inferno) of Google Chrome Security Team CVE-2011-0232 : J23 working with TippingPoint's Zero Day Initiative CVE-2011-0233 : wushi of team509 working with TippingPoint's Zero Day Initiative CVE-2011-0234 : Rob King working with TippingPoint's Zero Day Initiative, wushi of team509 working with TippingPoint's Zero Day Initiative, wushi of team509 working with iDefense VCP CVE-2011-0235 : Abhishek Arya (Inferno) of Google Chrome Security Team CVE-2011-0237 : wushi of team509 working with iDefense VCP CVE-2011-0238 : Adam Barth of Google Chrome Security Team CVE-2011-0240 : wushi of team509 working with iDefense VCP CVE-2011-0253 : Richard Keen CVE-2011-0254 : An anonymous researcher working with TippingPoint's Zero Day Initiative CVE-2011-0255 : An anonymous researcher working with TippingPoint's Zero Day Initiative CVE-2011-0981 : Rik Cabanier of Adobe Systems, Inc CVE-2011-0983 : Martin Barbella CVE-2011-1109 : Sergey Glazunov CVE-2011-1114 : Martin Barbella CVE-2011-1115 : Martin Barbella CVE-2011-1117 : wushi of team509 CVE-2011-1121 : miaubiz CVE-2011-1188 : Martin Barbella CVE-2011-1203 : Sergey Glazunov CVE-2011-1204 : Sergey Glazunov CVE-2011-1288 : Andreas Kling of Nokia CVE-2011-1293 : Sergey Glazunov CVE-2011-1296 : Sergey Glazunov CVE-2011-1449 : Marek Majkowski, wushi of team 509 working with iDefense VCP CVE-2011-1451 : Sergey Glazunov CVE-2011-1453 : wushi of team509 working with TippingPoint's Zero Day Initiative CVE-2011-1457 : John Knottenbelt of Google CVE-2011-1462 : wushi of team509 CVE-2011-1797 : wushi of team509 WebKit Available for: Mac OS X v10.5.8, Mac OS X Server v10.5.8, Mac OS X v10.6.8 or later, Mac OS X Server v10.6.8 or later, Windows 7, Vista, XP SP2 or later Impact: Visiting a maliciously crafted website may lead to arbitrary code execution Description: A configuration issue existed in WebKit's use of libxslt. Visiting a maliciously crafted website may lead to arbitrary files being created with the privileges of the user, which may lead to arbitrary code execution. This issue is addressed through improved libxslt security settings. CVE-ID CVE-2011-1774 : Nicolas Gregoire of Agarri WebKit Available for: Mac OS X v10.5.8, Mac OS X Server v10.5.8, Mac OS X v10.6.8 or later, Mac OS X Server v10.6.8 or later, Windows 7, Vista, XP SP2 or later Impact: Visiting a maliciously crafted website may lead to an information disclosure Description: A cross-origin issue existed in the handling of Web Workers. Visiting a maliciously crafted website may lead to an information disclosure. CVE-ID CVE-2011-1190 : Daniel Divricean of divricean.ro WebKit Available for: Mac OS X v10.5.8, Mac OS X Server v10.5.8, Mac OS X v10.6.8 or later, Mac OS X Server v10.6.8 or later, Windows 7, Vista, XP SP2 or later Impact: Visiting a maliciously crafted website may lead to a cross- site scripting attack Description: A cross-origin issue existed in the handling of URLs with an embedded username. Visiting a maliciously crafted website may lead to a cross-site scripting attack. This issue is addressed through improved handling of URLs with an embedded username. CVE-ID CVE-2011-0242 : Jobert Abma of Online24 WebKit Available for: Mac OS X v10.5.8, Mac OS X Server v10.5.8, Mac OS X v10.6.8 or later, Mac OS X Server v10.6.8 or later, Windows 7, Vista, XP SP2 or later Impact: Visiting a maliciously crafted website may lead to a cross- site scripting attack Description: A cross-origin issue existed in the handling of DOM nodes. Visiting a maliciously crafted website may lead to a cross- site scripting attack. CVE-ID CVE-2011-1295 : Sergey Glazunov WebKit Available for: Mac OS X v10.5.8, Mac OS X Server v10.5.8, Mac OS X v10.6.8 or later, Mac OS X Server v10.6.8 or later, Windows 7, Vista, XP SP2 or later Impact: A maliciously crafted website may be able to cause a different URL to be shown in the address bar Description: A URL spoofing issue existed in the handling of the DOM history object. A maliciously crafted website may have been able to cause a different URL to be shown in the address bar. CVE-ID CVE-2011-1107 : Jordi Chancel WebKit Available for: Mac OS X v10.5.8, Mac OS X Server v10.5.8, Mac OS X v10.6.8 or later, Mac OS X Server v10.6.8 or later, Windows 7, Vista, XP SP2 or later Impact: Subscribing to a maliciously crafted RSS feed and clicking on a link within it may lead to an information disclosure Description: A canonicalization issue existed in the handling of URLs. Subscribing to a maliciously crafted RSS feed and clicking on a link within it may lead to arbitrary files being sent from the user's system to a remote server. This update addresses the issue through improved handling of URLs. CVE-ID CVE-2011-0244 : Jason Hullinger WebKit Available for: Mac OS X v10.5.8, Mac OS X Server v10.5.8, Mac OS X v10.6.8 or later, Mac OS X Server v10.6.8 or later, Windows 7, Vista, XP SP2 or later Impact: Applications that use WebKit, such as mail clients, may connect to an arbitrary DNS server upon processing HTML content Description: DNS prefetching was enabled by default in WebKit. Applications that use WebKit, such a s mail clients, may connect to an arbitrary DNS server upon processing HTML content. This update addresses the issue by requiring applications to opt in to DNS prefetching. CVE-ID CVE-2010-3829 : Mike Cardwell of Cardwell IT Ltd. Note: Safari 5.1 is included with OS X Lion. Safari 5.1 and Safari 5.0.6 address the same set of security issues. Safari 5.1 is provided for Mac OS X v10.6, and Windows systems. Safari 5.0.6 is provided for Mac OS X v10.5 systems. Safari 5.1 is available via the Apple Software Update application, or Apple's Safari download site at: http://www.apple.com/safari/download/ Safari 5.0.6 is available via the Apple Software Update application, or Apple's Software Downloads web site: http://www.apple.com/support/downloads/ Safari for Mac OS X v10.6.8 and later The download file is named: Safari5.1SnowLeopard.dmg Its SHA-1 digest is: 2c3cef8e06c5aa586379b1a5fd5cf7b54e8acc24 Safari for Mac OS X v10.5.8 The download file is named: Safari5.0.6Leopard.dmg Its SHA-1 digest is: ea970375d2116a7b74094a2a7669bebc306b6e6f Safari for Windows 7, Vista or XP The download file is named: SafariSetup.exe Its SHA-1 digest is: d00b791c694b1ecfc22d6a1ec9aa21cc14fd8e36 Safari for Windows 7, Vista or XP from the Microsoft Choice Screen The download file is named: Safari_Setup.exe Its SHA-1 digest is: ccb3bb6b06468a430171d9f62708a1a6d917f45b Safari+QuickTime for Windows 7, Vista or XP The file is named: SafariQuickTimeSetup.exe Its SHA-1 digest is: 1273e0ee742a294d65e4f25a9b3e36f79fb517c9 Information will also be posted to the Apple Security Updates web site: http://support.apple.com/kb/HT1222
