An issue was discovered in certain Apple products. iOS before 11.1 is affected. Safari before 11.0.1 is affected. iCloud before 7.1 on Windows is affected. iTunes before 12.7.1 on Windows is affected. tvOS before 11.1 is affected. The issue involves the "WebKit" component. It allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site.

The version of Apple iOS running on the mobile device is prior to 11.1. It is, therefore, affected by multiple vulnerabilities as referenced in the HT208222 advisory.

The version of Apple Safari installed on the remote host is prior to 11.0.1. It is, therefore, affected by multiple vulnerabilities as described in the HT208223 security advisory.

The WebKit team reports many vulnerabilities.

Please reference the CVE/URL list for details.

The remote host is affected by the vulnerability described in GLSA-201712-01 (WebKitGTK+: Multiple vulnerabilities)

    Multiple vulnerabilities have been discovered in WebKitGTK+. Please       review the referenced CVE identifiers for details.
  Impact :

    By enticing a victim to visit maliciously crafted web content, a remote       attacker could execute arbitrary code or cause a denial of service       condition.
  Workaround :

    There are no known workarounds at this time.

The remote Ubuntu 16.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-3481-1 advisory.

    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.

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

According to its banner, the version of Apple TV on the remote device is prior to 11.1. It is, therefore, affected by multiple vulnerabilities as described in the HT208219 security advisory.

Note that only 4th and 5th generation models are affected by these vulnerabilities.

The version of Apple iTunes installed on the remote Windows host is prior to 12.7.1. It is, therefore, affected by multiple vulnerabilities in webkit as referenced in the HT208224 advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The version of Apple Safari installed on the remote macOS or Mac OS X host is prior to 11.0.1. It is, therefore, affected by multiple vulnerabilities as described in the HT208223 security advisory.

ID	Name	Product	Family	Severity
700543	Apple iOS < 11.1 Multiple Vulnerabilities	Nessus Network Monitor	Mobile Devices	high
700500	Apple Safari < 11.0.1 Multiple Vulnerabilities	Nessus Network Monitor	Web Clients	medium
108703	FreeBSD : webkit2-gtk3 -- multiple vulnerabilities (1ce95bc7-3278-11e8-b527-00012e582166) (Spectre)	Nessus	FreeBSD Local Security Checks	high
105261	GLSA-201712-01 : WebKitGTK+: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	high
104653	Ubuntu 16.04 LTS : WebKitGTK+ vulnerabilities (USN-3481-1)	Nessus	Ubuntu Local Security Checks	high
104387	Apple TV < 11.1 Multiple Vulnerabilities	Nessus	Misc.	high
104360	Apple iTunes < 12.7.1 WebKit Multiple Vulnerabilities (uncredentialed check)	Nessus	Peer-To-Peer File Sharing	high
104359	Apple iTunes < 12.7.1 WebKit Multiple Vulnerabilities (credentialed check)	Nessus	Windows	high
104355	macOS : Apple Safari < 11.0.1 Multiple Vulnerabilities	Nessus	MacOS X Local Security Checks	high
104350	Apple iOS < 11.1 Multiple Vulnerabilities	Nessus	Mobile Devices	high

Detections

Analytics

CVE-2017-13784

high

Tenable Plugins

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medium

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