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CVE-2017-5456

Status Candidate

Overview

A mechanism to bypass file system access protections in the sandbox using the file system request constructor through an IPC message. This allows for read and write access to the local file system. This vulnerability affects Firefox ESR < 52.1 and Firefox < 53.

Related Files

Ubuntu Security Notice USN-3260-2
Posted May 11, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3260-2 - USN-3260-1 fixed vulnerabilities in Firefox. The update caused the date picker panel and form validation errors to close immediately on opening. 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, spoof the addressbar contents or other UI elements, escape the sandbox to read local files, conduct cross-site scripting attacks, cause a denial of service via application crash, or execute arbitrary code. A flaw was discovered in the DRBG number generation in NSS. If an attacker were able to perform a man-in-the-middle attack, this flaw could potentially be exploited to view sensitive information. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, local, spoof, vulnerability, xss
systems | linux, ubuntu
advisories | CVE-2017-5433, CVE-2017-5434, CVE-2017-5435, CVE-2017-5436, CVE-2017-5437, CVE-2017-5438, CVE-2017-5439, CVE-2017-5440, CVE-2017-5441, CVE-2017-5442, CVE-2017-5443, CVE-2017-5444, CVE-2017-5445, CVE-2017-5446, CVE-2017-5447, CVE-2017-5448, CVE-2017-5449, CVE-2017-5451, CVE-2017-5453, CVE-2017-5454, CVE-2017-5455, CVE-2017-5456, CVE-2017-5458, CVE-2017-5459, CVE-2017-5460, CVE-2017-5461, CVE-2017-5462, CVE-2017-5464
SHA-256 | 4516672128a2c863308c540e8b88eefd6516196d22c6093ee8fb3334947b872f
Ubuntu Security Notice USN-3260-1
Posted Apr 21, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3260-1 - 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, spoof the addressbar contents or other UI elements, escape the sandbox to read local files, 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, local, spoof, xss
systems | linux, ubuntu
advisories | CVE-2017-5429, CVE-2017-5430, CVE-2017-5432, CVE-2017-5433, CVE-2017-5434, CVE-2017-5435, CVE-2017-5436, CVE-2017-5437, CVE-2017-5438, CVE-2017-5439, CVE-2017-5440, CVE-2017-5441, CVE-2017-5442, CVE-2017-5443, CVE-2017-5444, CVE-2017-5445, CVE-2017-5446, CVE-2017-5447, CVE-2017-5448, CVE-2017-5449, CVE-2017-5451, CVE-2017-5453, CVE-2017-5454, CVE-2017-5455, CVE-2017-5456, CVE-2017-5458, CVE-2017-5459, CVE-2017-5460
SHA-256 | fc547869598b017a6c7221cafb999c384136ffa63756cbd165c0453cc85b6065
Red Hat Security Advisory 2017-1106-01
Posted Apr 21, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-1106-01 - Mozilla Firefox is an open source web browser. This update upgrades Firefox to version 52.1.0 ESR. Security Fix: Multiple flaws were found in the processing of malformed web content. A web page containing malicious content could cause Firefox to crash or, potentially, execute arbitrary code with the privileges of the user running Firefox.

tags | advisory, web, arbitrary
systems | linux, redhat
advisories | CVE-2017-5429, CVE-2017-5430, CVE-2017-5432, CVE-2017-5433, CVE-2017-5434, CVE-2017-5435, CVE-2017-5436, CVE-2017-5437, CVE-2017-5438, CVE-2017-5439, CVE-2017-5440, CVE-2017-5441, CVE-2017-5442, CVE-2017-5443, CVE-2017-5444, CVE-2017-5445, CVE-2017-5446, CVE-2017-5447, CVE-2017-5448, CVE-2017-5449, CVE-2017-5451, CVE-2017-5454, CVE-2017-5455, CVE-2017-5456, CVE-2017-5459, CVE-2017-5460, CVE-2017-5464, CVE-2017-5465
SHA-256 | 4885801e989807b32fa2a7c6b4bab8e03699678260864bb71f3a66f21df60342
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