Apple acaba de publicar el lanzamiento de la versión 4.0.5 de su navegador web Safari, esta entrega del software solventa múltiples vulnerabilidades en ColorSync, ImageIO, PubSub y su motor WebKit.
Safari 4.0.5 está disponible para Mac OS X S.Leopard, Leopard, Tiger, Windows Vista y 7 y dado el impacto de los bugs que se han parcheado en esta versión, es más que aconsejable su inmediata actualización. La gran mayoría de fallos corregidos previenen la ejecución arbitraria de código en el sistema afectado, corrupciones de memoria en el navegador o un cierre inesperado.
Además de lo dicho, se mejoran otros aspectos del navegador como pueden ser el funcionamiento de «Top Sites» o la configuración de Safari con algunos routers Linksys.
(Debajo toda la lista de vulnerabilidades corregidas según la info de la lista de correo de «Apple Security»; (ENG)
APPLE-SA-2010-03-11-1 Safari 4.0.5
Safari 4.0.5 is now available and addresses the following:
ColorSync
CVE-ID: CVE-2010-0040
Available for: Windows 7, Vista, XP
Impact: Viewing a maliciously crafted image with an embedded color
profile may lead to an unexpected application termination or
arbitrary code execution
Description: An integer overflow, that could result in a heap buffer
overflow, exists in the handling of images with an embedded color
profile. Opening a maliciously crafted image with an embedded color
profile may lead to an unexpected application termination or
arbitrary code execution. The issue is addressed by performing
additional validation of color profiles. This issue does not affect
Mac OS X systems. Credit to Sebastien Renaud of VUPEN Vulnerability
Research Team for reporting this issue.ImageIO
CVE-ID: CVE-2009-2285
Available for: Windows 7, Vista, XP
Impact: Viewing a maliciously crafted TIFF image may lead to an
unexpected application termination or arbitrary code execution
Description: A buffer underflow exists 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 is addressed through improved bounds checking. For Mac OS X
v10.6 systems, this issue is addressed in Mac OS X v10.6.2. For Mac
OS X v10.5 systems, this issue is addressed in Security Update
2010-001.ImageIO
CVE-ID: CVE-2010-0041
Available for: Windows 7, Vista, XP
Impact: Visiting a maliciously crafted website may result in sending
data from Safari’s memory to the website
Description: An uninitialized memory access issue exists in
ImageIO’s handling of BMP images. Visiting a maliciously crafted
website may result in sending data from Safari’s memory to the
website. This issue is addressed through improved memory handling and
additional validation of BMP images. Credit to Matthew ‘j00ru’
Jurczyk of Hispasec for reporting this issue.ImageIO
CVE-ID: CVE-2010-0042
Available for: Windows 7, Vista, XP
Impact: Visiting a maliciously crafted website may result in sending
data from Safari’s memory to the website
Description: An uninitialized memory access issue exists in
ImageIO’s handling of TIFF images. Visiting a maliciously crafted
website may result in sending data from Safari’s memory to the
website. This issue is addressed through improved memory handling and
additional validation of TIFF images. Credit to Matthew ‘j00ru’
Jurczyk of Hispasec for reporting this issue.ImageIO
CVE-ID: CVE-2010-0043
Available for: Windows 7, Vista, XP
Impact: Processing a maliciously crafted TIFF image may lead to an
unexpected application termination or arbitrary code execution
Description: A memory corruption issue exists in the handling of
TIFF images. Processing a maliciously crafted TIFF image may lead to
an unexpected application termination or arbitrary code execution.
This issue is addressed through improved memory handling. Credit to
Gus Mueller of Flying Meat for reporting this issue.PubSub
CVE-ID: CVE-2010-0044
Available for: Mac OS X v10.4.11, Mac OS X Server v10.4.11,
Mac OS X v10.5.8, Mac OS X Server v10.5.8,
Mac OS X v10.6.1 or later, Mac OS X Server v10.6.1 or later,
Windows 7, Vista, XP
Impact: Visiting or updating a feed may result in a cookie being
set, even if Safari is configured to block cookies
Description: An implementation issue exists in the handling of
cookies set by RSS and Atom feeds. Visiting or updating a feed may
result in a cookie being set, even if Safari is configured to block
cookies via the «Accept Cookies» preference. This update addresses
the issue by respecting the preference while updating or viewing
feeds.Safari
CVE-ID: CVE-2010-0045
Available for: Windows 7, Vista, XP
Impact: Visiting a maliciously crafted website may lead to arbitrary
code execution
Description: An issue in Safari’s handling of external URL schemes
may cause a local file to be opened in response to a URL encountered
on a web page. Visiting a maliciously crafted website may lead to
arbitrary code execution. This update addresses the issue through
improved validation of external URLs. This issue does not affect Mac
OS X systems. Credit to Billy Rios and Microsoft Vulnerability
Research (MSVR) for reporting this issue.WebKit
CVE-ID: CVE-2010-0046
Available for: Mac OS X v10.4.11, Mac OS X Server v10.4.11,
Mac OS X v10.5.8, Mac OS X Server v10.5.8,
Mac OS X v10.6.1 or later, Mac OS X Server v10.6.1 or later,
Windows 7, Vista, XP
Impact: Visiting a maliciously crafted website may lead to an
unexpected application termination or arbitrary code execution
Description: A memory corruption issue exists in WebKit’s handling
of CSS format() arguments. Visiting a maliciously crafted website may
lead to an unexpected application termination or arbitrary code
execution. This issue is addressed through improved handling of CSS
format() arguments. Credit to Robert Swiecki of Google Inc. for
reporting this issue.WebKit
CVE-ID: CVE-2010-0047
Available for: Mac OS X v10.4.11, Mac OS X Server v10.4.11,
Mac OS X v10.5.8, Mac OS X Server v10.5.8,
Mac OS X v10.6.1 or later, Mac OS X Server v10.6.1 or later,
Windows 7, Vista, XP
Impact: Visiting a maliciously crafted website may lead to an
unexpected application termination or arbitrary code execution
Description: A use-after-free issue exists in the handling of HTML
object element fallback content. Visiting a maliciously crafted
website may lead to an unexpected application termination or
arbitrary code execution. This issue is addressed through improved
memory reference tracking. Credit to wushi of team509, working with
TippingPoint’s Zero Day Initiative for reporting this issue.WebKit
CVE-ID: CVE-2010-0048
Available for: Mac OS X v10.4.11, Mac OS X Server v10.4.11,
Mac OS X v10.5.8, Mac OS X Server v10.5.8,
Mac OS X v10.6.1 or later, Mac OS X Server v10.6.1 or later,
Windows 7, Vista, XP
Impact: Visiting a maliciously crafted website may lead to an
unexpected application termination or arbitrary code execution
Description: A use-after-free issue exists in WebKit’s parsing of
XML documents. Visiting a maliciously crafted website may lead to an
unexpected application termination or arbitrary code execution. This
issue is addressed through improved memory reference tracking.Webkit
CVE-ID: CVE-2010-0049
Available for: Mac OS X v10.4.11, Mac OS X Server v10.4.11,
Mac OS X v10.5.8, Mac OS X Server v10.5.8,
Mac OS X v10.6.1 or later, Mac OS X Server v10.6.1 or later,
Windows 7, Vista, XP
Impact: Visiting a maliciously crafted website may lead to an
unexpected application termination or arbitrary code execution
Description: A use-after-free issue exists in the handling of HTML
elements containing right-to-left displayed text. Visiting a
maliciously crafted website may lead to an unexpected application
termination or arbitrary code execution. This issue is addressed
through improved memory reference tracking. Credit to wushi&Z of
team509 for reporting this issue.WebKit
CVE-ID: CVE-2010-0050
Available for: Mac OS X v10.4.11, Mac OS X Server v10.4.11,
Mac OS X v10.5.8, Mac OS X Server v10.5.8,
Mac OS X v10.6.1 or later, Mac OS X Server v10.6.1 or later,
Windows 7, Vista, XP
Impact: Visiting a maliciously crafted website may lead to an
unexpected application termination or arbitrary code execution
Description: A use-after-free issue exists in WebKit’s handling of
incorrectly nested HTML tags. Visiting a maliciously crafted website
may lead to an unexpected application termination or arbitrary code
execution. This issue is addressed through improved memory reference
tracking. Credit to wushi&Z of team509 working with TippingPoint’s
Zero Day Initiative for reporting this issue.WebKit
CVE-ID: CVE-2010-0051
Available for: Mac OS X v10.4.11, Mac OS X Server v10.4.11,
Mac OS X v10.5.8, Mac OS X Server v10.5.8,
Mac OS X v10.6.1 or later, Mac OS X Server v10.6.1 or later,
Windows 7, Vista, XP
Impact: Visiting a maliciously crafted website may lead to the
disclosure of sensitive information
Description: An implementation issue exists in WebKit’s handling of
cross-origin stylesheet requests. Visiting a maliciously crafted
website may disclose the content of protected resources on another
website. This update addresses the issue by performing additional
validation on stylesheets that are loaded during a cross-origin
request.WebKit
CVE-ID: CVE-2010-0052
Available for: Mac OS X v10.4.11, Mac OS X Server v10.4.11,
Mac OS X v10.5.8, Mac OS X Server v10.5.8,
Mac OS X v10.6.1 or later, Mac OS X Server v10.6.1 or later,
Windows 7, Vista, XP
Impact: Visiting a maliciously crafted website may lead to an
unexpected application termination or arbitrary code execution
Description: A use-after-free issue exists in WebKit’s handling of
callbacks for HTML elements. Visiting a maliciously crafted website
may lead to an unexpected application termination or arbitrary code
execution. This issue is addressed through improved memory reference
tracking. Credit: Apple.WebKit
CVE-ID: CVE-2010-0053
Available for: Mac OS X v10.4.11, Mac OS X Server v10.4.11,
Mac OS X v10.5.8, Mac OS X Server v10.5.8,
Mac OS X v10.6.1 or later, Mac OS X Server v10.6.1 or later,
Windows 7, Vista, XP
Impact: Visiting a maliciously crafted website may lead to an
unexpected application termination or arbitrary code execution
Description: A use-after-free issue exists in the rendering of
content with a CSS display property set to ‘run-in’. Visiting a
maliciously crafted website may lead to an unexpected application
termination or arbitrary code execution. This issue is addressed
through improved memory reference tracking. Credit to wushi of
team509, working with TippingPoint’s Zero Day Initiative for
reporting this issue.WebKit
CVE-ID: CVE-2010-0054
Available for: Mac OS X v10.4.11, Mac OS X Server v10.4.11,
Mac OS X v10.5.8, Mac OS X Server v10.5.8,
Mac OS X v10.6.1 or later, Mac OS X Server v10.6.1 or later,
Windows 7, Vista, XP
Impact: Visiting a maliciously crafted website may lead to an
unexpected application termination or arbitrary code execution
Description: A use-after-free issue exists in WebKit’s handling of
HTML image elements. Visiting a maliciously crafted website may lead
to an unexpected application termination or arbitrary code execution.
This issue is addressed through improved memory reference tracking.
Credit: Apple.Safari 4.0.5 is available via the Apple Software Update application,
or Apple’s Safari download site at:
http://www.apple.com/safari/download/Safari for Mac OS X v10.6.1 to v10.6.3
The download file is named: Safari4.0.5SnowLeopard.dmg
Its SHA-1 digest is: b1b0c3510acf7144a6358b6e5667fb43aaa8a6b9Safari for Mac OS X v10.5.7
The download file is named: Safari4.0.5Leopard.dmg
Its SHA-1 digest is: 1eccb97a78bac15277702642ed1330ad359205f7Safari for Mac OS X v10.4.11
The download file is named: Safari4.0.5Tiger.dmg
Its SHA-1 digest is: 9f042b71a08d9c4be7f2dffa3de46622722893e4Safari for Windows 7, Vista or XP
The download file is named: SafariSetup.exe
Its SHA-1 digest is: 8715db0cee7db82a91bb408e500d255c5d0cfe7cSafari for Windows 7, Vista or XP from the Microsoft Choice Screen
The download file is named: Safari_Setup.exe
Its SHA-1 digest is: a25377f0febdb702dff1aac5475b113670fd0444Safari+QuickTime for Windows 7, Vista or XP
The file is named: SafariQuickTimeSetup.exe
Its SHA-1 digest is: 0109adc77d5814f39bb47348df1d3280f30fd397Information will also be posted to the Apple Security Updates
web site: http://support.apple.com/kb/HT1222
