CVE-2016-7623

An issue was discovered in certain Apple products. iOS before 10.2 is affected. Safari before 10.0.2 is affected. The issue involves the "WebKit" component. It allows remote attackers to obtain sensitive information via a blob URL on a web site.

The webkit2 package has been updated to version 2.14.5, fixing several security issues and other bugs.

This update for webkit2gtk3 to version 2.18.0 fixes the following issues:

These security issues were fixed:

• CVE-2017-7039: An issue was fixed that allowed remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site (bsc#1050469).
• CVE-2017-7018: An issue was fixed that allowed remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site (bsc#1050469).
• CVE-2017-7030: An issue was fixed that allowed remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site (bsc#1050469).
• CVE-2017-7037: An issue was fixed that allowed remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site (bsc#1050469).
• CVE-2017-7034: An issue was fixed that allowed remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site (bsc#1050469).
• CVE-2017-7055: An issue was fixed that allowed remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site (bsc#1050469).
• CVE-2017-7056: An issue was fixed that allowed remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site (bsc#1050469).
• CVE-2017-7064: An issue was fixed that allowed remote attackers to bypass intended memory-read restrictions via a crafted app (bsc#1050469).
• CVE-2017-7061: An issue was fixed that allowed remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site (bsc#1050469).
• CVE-2017-7048: An issue was fixed that allowed remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site (bsc#1050469).
• CVE-2017-7046: An issue was fixed that allowed remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site (bsc#1050469).
• CVE-2017-2538: An issue was fixed that allowed remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site (bsc#1045460)
• CVE-2017-2496: An issue was fixed that allowed remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site.
• CVE-2017-2539: An issue was fixed that allowed remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site.
• CVE-2017-2510: An issue was fixed that allowed remote attackers to conduct Universal XSS (UXSS) attacks via a crafted web site that improperly interacts with pageshow events.
• CVE-2017-2365: An issue was fixed that allowed remote attackers to bypass the Same Origin Policy and obtain sensitive information via a crafted web site (bsc#1024749)
• CVE-2017-2366: An issue was fixed that allowed remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site (bsc#1024749)
• CVE-2017-2373: An issue was fixed that allowed remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site (bsc#1024749)
• CVE-2017-2363: An issue was fixed that allowed remote attackers to bypass the Same Origin Policy and obtain sensitive information via a crafted web site (bsc#1024749)
• CVE-2017-2362: An issue was fixed that allowed remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a…

This update for webkit2gtk3 fixes the following issues:

Update to version 2.18.5:

• Disable SharedArrayBuffers from Web API.
• Reduce the precision of 'high' resolution time to 1ms.
• bsc#1075419 - Security fixes: includes improvements to mitigate the effects of Spectre and Meltdown (CVE-2017-5753 and CVE-2017-5715).

Update to version 2.18.4:

• Make WebDriver implementation more spec compliant.
• Fix a bug when trying to remove cookies before a web process is spawned.
• WebKitWebDriver process no longer links to libjavascriptcoregtk.
• Fix several memory leaks in GStreamer media backend.
• bsc#1073654 - Security fixes: CVE-2017-13866, CVE-2017-13870, CVE-2017-7156, CVE-2017-13856.

Update to version 2.18.3:

• Improve calculation of font metrics to prevent scrollbars from being shown unnecessarily in some cases.
• Fix handling of null capabilities in WebDriver implementation.
• Security fixes: CVE-2017-13798, CVE-2017-13788, CVE-2017-13803.

Update to version 2.18.2:

• Fix rendering of arabic text.
• Fix a crash in the web process when decoding GIF images.
• Fix rendering of wind in Windy.com.
• Fix several crashes and rendering issues.

Update to version 2.18.1:

• Improve performance of GIF animations.
• Fix garbled display in GMail.
• Fix rendering of several material design icons when using the web font.
• Fix flickering when resizing the window in Wayland.
• Prevent default kerberos authentication credentials from being used in ephemeral sessions.
• Fix a crash when webkit_web_resource_get_data() is cancelled.
• Correctly handle touchmove and touchend events in WebKitWebView.
• Fix the build with enchant 2.1.1.
• Fix the build in HPPA and Alpha.
• Fix several crashes and rendering issues.
• Security fixes: CVE-2017-7081, CVE-2017-7087, CVE-2017-7089, CVE-2017-7090, CVE-2017-7091, CVE-2017-7092, CVE-2017-7093, CVE-2017-7094, CVE-2017-7095, CVE-2017-7096, CVE-2017-7098, CVE-2017-7099, CVE-2017-7100, CVE-2017-7102, CVE-2017-7104, CVE-2017-7107, CVE-2017-7109, CVE-2017-7111, CVE-2017-7117, CVE-2017-7120, CVE-2017-7142.

• Enable gold linker on s390/s390x on SLE15/Tumbleweed.

A large number of security issues were discovered in the WebKitGTK+ Web and JavaScript engines. If a user were tricked into viewing a malicious website, a remote attacker could exploit a variety of issues related to web browser security, including cross-site scripting attacks, denial of service attacks, and arbitrary code execution.