Apple ha publicado múltiples actualizaciones de seguridad que os recomendamos aplicar con brevedad debido al número de vulnerabilidades que solventan.
La cuarta actualización de seguridad de 2015 ya está disponible desde la Apple Store, también la versión 10.10.3 de OS X Yosemite, así como la versión 7.2 de Apple TV que se ofrece como actualización de seguridad.
A continuación, nos hacemos eco de la información técnica que aporta Apple sobre estas actualizaciones:
Admin Framework Available for: OS X Yosemite v10.10 to v10.10.2 Impact: A process may gain admin privileges without properly authenticating Description: An issue existed when checking XPC entitlements. This issue was addressed with improved entitlement checking. CVE-ID CVE-2015-1130 : Emil Kvarnhammar at TrueSec apache Available for: OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5, OS X Yosemite v10.10 to v10.10.2 Impact: Multiple vulnerabilities in Apache Description: Multiple vulnerabilities existed in Apache versions prior to 2.4.10 and 2.2.29, including one that may allow a remote attacker to execute arbitrary code. These issues were addressed by updating Apache to versions 2.4.10 and 2.2.29 CVE-ID CVE-2013-0118 CVE-2013-5704 CVE-2013-6438 CVE-2014-0098 CVE-2014-0117 CVE-2014-0118 CVE-2014-0226 CVE-2014-0231 CVE-2014-3523 ATS Available for: OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5, OS X Yosemite v10.10 to v10.10.2 Impact: A local user may be able to execute arbitrary code with system privileges Description: Multiple input validation issues existed in fontd. These issues were addressed through improved input validation. CVE-ID CVE-2015-1131 : Ian Beer of Google Project Zero CVE-2015-1132 : Ian Beer of Google Project Zero CVE-2015-1133 : Ian Beer of Google Project Zero CVE-2015-1134 : Ian Beer of Google Project Zero CVE-2015-1135 : Ian Beer of Google Project Zero Certificate Trust Policy Impact: Update to the certificate trust policy Description: The certificate trust policy was updated. The complete list of certificates may be viewed at https://support.apple.com/en- us/HT202858. CFNetwork HTTPProtocol Available for: OS X Yosemite v10.10 to v10.10.2 Impact: Cookies belonging to one origin may be sent to another origin Description: A cross-domain cookie issue existed in redirect handling. Cookies set in a redirect response could be passed on to a redirect target belonging to another origin. The issue was address through improved handling of redirects. CVE-ID CVE-2015-1089 : Niklas Keller CFNetwork Session Available for: OS X Yosemite v10.10 to v10.10.2 Impact: Authentication credentials may be sent to a server on another origin Description: A cross-domain HTTP request headers issue existed in redirect handling. HTTP request headers sent in a redirect response could be passed on to another origin. The issue was addressed through improved handling of redirects. CVE-ID CVE-2015-1091 : Diego Torres (http://dtorres.me) CFURL Available for: OS X Yosemite v10.10 to v10.10.2 Impact: Visiting a maliciously crafted website may lead to arbitrary code execution Description: An input validation issue existed within URL processing. This issue was addressed through improved URL validation. CVE-ID CVE-2015-1088 : Luigi Galli CoreAnimation Available for: OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5, OS X Yosemite v10.10 to v10.10.2 Impact: Visiting a maliciously crafted website may lead to arbitrary code execution Description: A use-after-free issue existed in CoreAnimation. This issue was addressed through improved mutex management. CVE-ID CVE-2015-1136 : Apple FontParser Available for: OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5, OS X Yosemite v10.10 to v10.10.2 Impact: Processing a maliciously crafted font file may lead to arbitrary code execution Description: Multiple memory corruption issues existed in the processing of font files. These issues were addressed through improved bounds checking. CVE-ID CVE-2015-1093 : Marc Schoenefeld Graphics Driver Available for: OS X Mavericks v10.9.5, OS X Yosemite v10.10 to v10.10.2 Impact: A local user may be able to execute arbitrary code with system privileges Description: A NULL pointer dereference existed in NVIDIA graphics driver's handling of certain IOService userclient types. This issue was addressed through additional context validation. CVE-ID CVE-2015-1137 : Frank Graziano and John Villamil of the Yahoo Pentest Team Hypervisor Available for: OS X Yosemite v10.10 to v10.10.2 Impact: A local application may be able to cause a denial of service Description: An input validation issue existed in the hypervisor framework. This issue was addressed through improved input validation. CVE-ID CVE-2015-1138 : Izik Eidus and Alex Fishman ImageIO Available for: OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5, OS X Yosemite v10.10 to v10.10.2 Impact: Processing a maliciously crafted .sgi file may lead to arbitrary code execution Description: A memory corruption issue existed in the handling of .sgi files. This issue was addressed through improved bounds checking. CVE-ID CVE-2015-1139 : Apple IOHIDFamily Available for: OS X Yosemite v10.10 to v10.10.2 Impact: A malicious HID device may be able to cause arbitrary code execution Description: A memory corruption issue existed in an IOHIDFamily API. This issue was addressed through improved memory handling. CVE-ID CVE-2015-1095 : Andrew Church IOHIDFamily Available for: OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5, OS X Yosemite v10.10 to v10.10.2 Impact: A local user may be able to execute arbitrary code with system privileges Description: A buffer overflow issue existed in IOHIDFamily. This issue was addressed through improved memory handling. CVE-ID CVE-2015-1140 : lokihardt@ASRT working with HP's Zero Day Initiative, Luca Todesco IOHIDFamily Available for: OS X Yosemite v10.10 to v10.10.2 Impact: A local user may be able to determine kernel memory layout Description: An issue existed in IOHIDFamily that led to the disclosure of kernel memory content. This issue was addressed through improved bounds checking. CVE-ID CVE-2015-1096 : Ilja van Sprundel of IOActive IOHIDFamily Available for: OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5 Impact: A malicious application may be able to execute arbitrary code with system privileges Description: A heap buffer overflow existed in IOHIDFamily's handling of key-mapping properties. This issue was addressed through improved bounds checking. CVE-ID CVE-2014-4404 : Ian Beer of Google Project Zero IOHIDFamily Available for: OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5 Impact: A malicious application may be able to execute arbitrary code with system privileges Description: A null pointer dereference existed in IOHIDFamily's handling of key-mapping properties. This issue was addressed through improved validation of IOHIDFamily key-mapping properties. CVE-ID CVE-2014-4405 : Ian Beer of Google Project Zero IOHIDFamily Available for: OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5 Impact: A user may be able to execute arbitrary code with system privileges Description: An out-of-bounds write issue exited in the IOHIDFamily driver. The issue was addressed through improved input validation. CVE-ID CVE-2014-4380 : cunzhang from Adlab of Venustech Kernel Available for: OS X Yosemite v10.10 to v10.10.2 Impact: A local user may be able to cause unexpected system shutdown Description: An issue existed in the handling of virtual memory operations within the kernel. The issue is fixed through improved handling of the mach_vm_read operation. CVE-ID CVE-2015-1141 : Ole Andre Vadla Ravnas of www.frida.re Kernel Available for: OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5, OS X Yosemite v10.10 to v10.10.2 Impact: A local user may be able to cause a system denial of service Description: A race condition existed in the kernel's setreuid system call. This issue was addressed through improved state management. CVE-ID CVE-2015-1099 : Mark Mentovai of Google Inc. Kernel Available for: OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5, OS X Yosemite v10.10 to v10.10.2 Impact: A local application may escalate privileges using a compromised service intended to run with reduced privileges Description: setreuid and setregid system calls failed to drop privileges permanently. This issue was addressed by correctly dropping privileges. CVE-ID CVE-2015-1117 : Mark Mentovai of Google Inc. Kernel Available for: OS X Yosemite v10.10 to v10.10.2 Impact: An attacker with a privileged network position may be able to redirect user traffic to arbitrary hosts Description: ICMP redirects were enabled by default on OS X. This issue was addressed by disabling ICMP redirects. CVE-ID CVE-2015-1103 : Zimperium Mobile Security Labs Kernel Available for: OS X Yosemite v10.10 to v10.10.2 Impact: An attacker with a privileged network position may be able to cause a denial of service Description: A state inconsistency existed in the processing of TCP headers. This issue was addressed through improved state handling. CVE-ID CVE-2015-1102 : Andrey Khudyakov and Maxim Zhuravlev of Kaspersky Lab Kernel Available for: OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5, OS X Yosemite v10.10 to v10.10.2 Impact: A local user may be able to cause unexpected system termination or read kernel memory Description: A out of bounds memory access issue existed in the kernel. This issue was addressed through improved memory handling. CVE-ID CVE-2015-1100 : Maxime Villard of m00nbsd Kernel Available for: OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5, OS X Yosemite v10.10 to v10.10.2 Impact: A remote attacker may be able to bypass network filters Description: The system would treat some IPv6 packets from remote network interfaces as local packets. The issue was addressed by rejecting these packets. CVE-ID CVE-2015-1104 : Stephen Roettger of the Google Security Team Kernel Available for: OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5, OS X Yosemite v10.10 to v10.10.2 Impact: A local user may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue existed in the kernel. This issue was addressed through improved memory handling. CVE-ID CVE-2015-1101 : lokihardt@ASRT working with HP's Zero Day Initiative Kernel Available for: OS X Yosemite v10.10 to v10.10.2 Impact: A remote attacker may be able to cause a denial of service Description: A state inconsistency issue existed in the handling of TCP out of band data. This issue was addressed through improved state management. CVE-ID CVE-2015-1105 : Kenton Varda of Sandstorm.io LaunchServices Available for: OS X Yosemite v10.10 to v10.10.2 Impact: A local user may be able to cause the Finder to crash Description: An input validation issue existed in LaunchServices's handling of application localization data. This issue was addressed through improved validation of localization data. CVE-ID CVE-2015-1142 LaunchServices Available for: OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5, OS X Yosemite v10.10 to v10.10.2 Impact: A local user may be able to execute arbitrary code with system privileges Description: A type confusion issue existed in LaunchServices's handling of localized strings. This issue was addressed through additional bounds checking. CVE-ID CVE-2015-1143 : Apple libnetcore Available for: OS X Yosemite v10.10 to v10.10.2 Impact: Processing a maliciously crafted configuration profile may lead to unexpected application termination Description: A memory corruption issue existed in the handling of configuration profiles. This issue was addressed through improved bounds checking. CVE-ID CVE-2015-1118 : Zhaofeng Chen, Hui Xue, Yulong Zhang, and Tao Wei of FireEye, Inc. ntp Available for: OS X Yosemite v10.10 to v10.10.2 Impact: A remote attacker may brute force ntpd authentication keys Description: The config_auth function in ntpd generated a weak key when an authentication key was not configured. This issue was addressed by improved key generation. CVE-ID CVE-2014-9298 OpenLDAP Available for: OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5, OS X Yosemite v10.10 to v10.10.2 Impact: A remote unauthenticated client may be able to cause a denial of service Description: Multiple input validation issues existed in OpenLDAP. These issues were addressed by improved input validation. CVE-ID CVE-2015-1545 : Ryan Tandy CVE-2015-1546 : Ryan Tandy OpenSSL Available for: OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5, OS X Yosemite v10.10 to v10.10.2 Impact: Multiple vulnerabilities in OpenSSL Description: Multiple vulnerabilities existed in OpenSSL 0.9.8zc, including one that may allow an attacker to intercept connections to a server that supports export-grade ciphers. These issues were addressed by updating OpenSSL to version 0.9.8zd. CVE-ID CVE-2014-3569 CVE-2014-3570 CVE-2014-3571 CVE-2014-3572 CVE-2014-8275 CVE-2015-0204 Open Directory Client Available for: OS X Mavericks v10.9.5, OS X Yosemite v10.10 to v10.10.2 Impact: A password might be sent unencrypted over the network when using Open Directory from OS X Server Description: If an Open Directory client was bound to an OS X Server but did not install the certificates of the OS X Server, and then a user on that client changed their password, the password change request was sent over the network without encryption. This issue was addressed by having the client require encryption for this case. CVE-ID CVE-2015-1147 : Apple PHP Available for: OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5, OS X Yosemite v10.10 to v10.10.2 Impact: Multiple vulnerabilities in PHP Description: Multiple vulnerabilities existed in PHP versions prior to 5.3.29, 5.4.38, and 5.5.20, including one which may have led to arbitrary code execution. This update addresses the issues by updating PHP to versions 5.3.29, 5.4.38, and 5.5.20. CVE-ID CVE-2013-6712 CVE-2014-0207 CVE-2014-0237 CVE-2014-0238 CVE-2014-2497 CVE-2014-3478 CVE-2014-3479 CVE-2014-3480 CVE-2014-3487 CVE-2014-3538 CVE-2014-3587 CVE-2014-3597 CVE-2014-3668 CVE-2014-3669 CVE-2014-3670 CVE-2014-3710 CVE-2014-3981 CVE-2014-4049 CVE-2014-4670 CVE-2014-4698 CVE-2014-5120 QuickLook Available for: OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5, OS X Yosemite v10.10 to v10.10.2 Impact: Opening a maliciously crafted iWork file may lead to arbitrary code execution Description: A memory corruption issue existed in the handling of iWork files. This issue was addressed through improved memory handling. CVE-ID CVE-2015-1098 : Christopher Hickstein SceneKit Available for: OS X Mountain Lion v10.8.5 Impact: Viewing a maliciously crafted Collada file may lead to arbitrary code execution Description: A heap buffer overflow existed in SceneKit's handling of Collada files. Viewing a maliciously crafted Collada file may have led to arbitrary code execution. This issue was addressed through improved validation of accessor elements. CVE-ID CVE-2014-8830 : Jose Duart of Google Security Team Screen Sharing Available for: OS X Yosemite v10.10 to v10.10.2 Impact: A user's password may be logged to a local file Description: In some circumstances, Screen Sharing may log a user's password that is not readable by other users on the system. This issue was addressed by removing logging of credential. CVE-ID CVE-2015-1148 : Apple Security - Code Signing Available for: OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5, OS X Yosemite v10.10 to v10.10.2 Impact: Tampered applications may not be prevented from launching Description: Applications containing specially crafted bundles may have been able to launch without a completely valid signature. This issue was addressed by adding additional checks. CVE-ID CVE-2015-1145 CVE-2015-1146 UniformTypeIdentifiers Available for: OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5, OS X Yosemite v10.10 to v10.10.2 Impact: A local user may be able to execute arbitrary code with system privileges Description: A buffer overflow existed in the way Uniform Type Identifiers were handled. This issue was addressed with improved bounds checking. CVE-ID CVE-2015-1144 : Apple WebKit Available for: OS X Yosemite v10.10 to v10.10.2 Impact: Visiting a maliciously crafted website may lead to arbitrary code execution Description: A memory corruption issue existed in WebKit. This issues was addressed through improved memory handling. CVE-ID CVE-2015-1069 : lokihardt@ASRT working with HP's Zero Day Initiative Security Update 2015-004 (available for OS X Mountain Lion v10.8.5 and OS X Mavericks v10.9.5) also addresses an issue caused by the fix for CVE-2015-1067 in Security Update 2015-002. This issue prevented Remote Apple Events clients on any version from connecting to the Remote Apple Events server. In default configurations, Remote Apple Events is not enabled. OS X Yosemite 10.10.3 includes the security content of Safari 8.0.5. https://support.apple.com/en-us/HT204658 OS X Yosemite 10.10.3 and Security Update 2015-004 may be obtained from the Mac App Store or Apple's Software Downloads web site: http://www.apple.com/support/downloads/ Information will also be posted to the Apple Security Updates web site: http://support.apple.com/kb/HT1222
