[Breves] IOS 6.1.3 (Actualización de seguridad disponible)

Posted by Destroyer on marzo 19, 2013
Seguridad Informática

IOS 6.1.3Se ha publicado una actualización de seguridad por parte de Apple para dispositivos IOS con el número de versión 6.1.3. Dicho update, solventa entre otros un fallo de seguridad que permitía el acceso no autorizado a la aplicación «teléfono», sin tener que introducir el código de seguridad. Su tamaño es de 17.5 mb y se puede aplicar bien desde el propio dispositivo (menú «general-actualización de software) o a través de iTunes.

A continuación, nos hacemos eco de la información sobre todas las vulnerabilidades corregidas (webkit, kernel, etc) vía la lista de correo «Apple Security»

iOS 6.1.3 is now available and addresses the following:

dyld
Available for:  iPhone 3GS and later,
iPod touch (4th generation) and later, iPad 2 and later
Impact:  A local user may be able to execute unsigned code
Description:  A state management issue existed in the handling of
Mach-O executable files with overlapping segments. This issue was
addressed by refusing to load an executable with overlapping
segments.
CVE-ID
CVE-2013-0977 : evad3rs

Kernel
Available for:  iPhone 3GS and later,
iPod touch (4th generation) and later, iPad 2 and later
Impact:  A local user may be able to determine the address of
structures in the kernel
Description:  An information disclosure issue existed in the ARM
prefetch abort handler. This issue was addressed by panicking if the
prefetch abort handler is not being called from an abort context.
CVE-ID
CVE-2013-0978 : evad3rs

Lockdown
Available for:  iPhone 3GS and later,
iPod touch (4th generation) and later, iPad 2 and later
Impact:  A local user may be able to change permissions on arbitrary
files
Description:  When restoring from backup, lockdownd changed
permissions on certain files even if the path to the file included a
symbolic link. This issue was addressed by not changing permissions
on any file with a symlink in its path.
CVE-ID
CVE-2013-0979 : evad3rs

Passcode Lock
Available for:  iPhone 3GS and later,
iPod touch (4th generation) and later, iPad 2 and later
Impact:  A person with physical access to the device may be able to
bypass the screen lock
Description:  A logic issue existed in the handling of emergency
calls from the lock screen. This issue was addressed through improved
lock state management.
CVE-ID
CVE-2013-0980 : Christopher Heffley of theMedium.ca,
videosdebarraquito

USB
Available for:  iPhone 3GS and later,
iPod touch (4th generation) and later, iPad 2 and later
Impact:  A local user may be able to execute arbitrary code in the
kernel
Description:  The IOUSBDeviceFamily driver used pipe object pointers
that came from userspace. This issue was addressed by performing
additional validation of pipe object pointers.
CVE-ID
CVE-2013-0981 : evad3rs

WebKit
Available for:  iPhone 3GS and later,
iPod touch (4th generation) and later, iPad 2 and later
Impact:  Visiting a maliciously crafted website may lead to an
unexpected application termination or arbitrary code execution
Description:  An invalid cast issue existed in the handling of SVG
files. This issue was addressed through improved type checking.
CVE-ID
CVE-2013-0912 : Nils and Jon from MWR Labs working with HP
TippingPoint's Zero Day Initiative

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