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CVE-2017-7815

Status Candidate

Overview

On pages containing an iframe, the "data:" protocol can be used to create a modal dialog through Javascript that will have an arbitrary domains as the dialog's location, spoofing of the origin of the modal dialog from the user view. Note: This attack only affects installations with e10 multiprocess turned off. Installations with e10s turned on do not support the modal dialog functionality. This vulnerability affects Firefox < 56.

Related Files

Ubuntu Security Notice USN-3435-2
Posted Oct 4, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3435-2 - USN-3435-1 fixed vulnerabilities in Firefox. The update caused the Flash plugin to crash in some circumstances. This update fixes the problem. Multiple security issues were discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to read uninitialized memory, obtain sensitive information, bypass phishing and malware protection, spoof the origin in modal dialogs, conduct cross-site scripting attacks, cause a denial of service via application crash, or execute arbitrary code. Martin Thomson discovered that NSS incorrectly generated handshake hashes. A remote attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitrary code. Multiple security issues were discovered in WebExtensions. If a user were tricked in to installing a specially crafted extension, an attacker could potentially exploit these to download and open non-executable files without interaction, or obtain elevated privileges. Various other issues were also addressed.

tags | advisory, remote, denial of service, arbitrary, spoof, vulnerability, xss
systems | linux, ubuntu
advisories | CVE-2017-7805, CVE-2017-7813, CVE-2017-7814, CVE-2017-7815, CVE-2017-7818, CVE-2017-7819, CVE-2017-7820, CVE-2017-7821, CVE-2017-7822, CVE-2017-7823, CVE-2017-7824
MD5 | f3497adebd97cb8880f571587424512d
Ubuntu Security Notice USN-3435-1
Posted Oct 3, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3435-1 - Multiple security issues were discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to read uninitialized memory, obtain sensitive information, bypass phishing and malware protection, spoof the origin in modal dialogs, conduct cross-site scripting attacks, cause a denial of service via application crash, or execute arbitrary code. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, spoof, xss
systems | linux, ubuntu
advisories | CVE-2017-7793, CVE-2017-7805, CVE-2017-7810, CVE-2017-7811, CVE-2017-7812, CVE-2017-7813, CVE-2017-7814, CVE-2017-7815, CVE-2017-7816, CVE-2017-7818, CVE-2017-7819, CVE-2017-7820, CVE-2017-7821, CVE-2017-7822, CVE-2017-7823, CVE-2017-7824
MD5 | f04486fc6c43f2ce047c937967095f07
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