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Chakra CFG Bypass By Overwriting JavaScript Bytecode
Posted Dec 5, 2017
Authored by Ivan Fratric, Google Security Research

Chakra suffers from a CFG bypass by overwriting JavaScript bytecode.

tags | advisory, javascript
MD5 | 9e57eaebd2d21e12b8ff2602894b0871
Chakra CFG Bypass With leafInterpreterFrame
Posted Dec 5, 2017
Authored by Ivan Fratric, Google Security Research

Chakra suffers from a CFG bypass with leafInterpreterFrame. Every JavaScript variable in Chakra (except a tagged int) is a pointer. From this pointer, using an arbitrary read, it is possible to follow a chain of pointers and end up with a pointer to the native stack. This allows disclosing the stack location and subsequently overwriting a return address on the stack leading to CFG bypass.

tags | advisory, arbitrary, javascript
MD5 | d1393f9681bc2674203c0bdd4afaea99
Ubuntu Security Notice USN-3477-3
Posted Dec 1, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3477-3 - USN-3477-1 fixed vulnerabilities in Firefox. The update introduced various minor regressions. This update fixes the problems. 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 cause a denial of service, read uninitialized memory, obtain sensitive information, bypass same-origin restrictions, bypass CSP protections, bypass mixed content blocking, spoof the addressbar, or execute arbitrary code. It was discovered that javascript: URLs pasted in to the addressbar would be executed instead of being blocked in some circumstances. If a user were tricked in to copying a specially crafted URL in to the addressbar, an attacker could potentially exploit this to conduct cross-site scripting attacks. It was discovered that exported bookmarks do not strip script elements from user-supplied tags. If a user were tricked in to adding specially crafted tags to bookmarks, exporting them and then opening the resulting HTML file, an attacker could potentially exploit this to conduct cross-site scripting attacks. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, spoof, javascript, vulnerability, xss
systems | linux, ubuntu
advisories | CVE-2017-7828, CVE-2017-7830, CVE-2017-7831, CVE-2017-7832, CVE-2017-7833, CVE-2017-7834, CVE-2017-7835, CVE-2017-7837, CVE-2017-7838, CVE-2017-7839, CVE-2017-7840, CVE-2017-7842
MD5 | 998ce8623ace567ce271665c533d0819
Ubuntu Security Notice USN-3477-2
Posted Nov 27, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3477-2 - USN-3477-1 fixed vulnerabilities in Firefox. The update caused search suggestions to not be displayed when performing Google searches from the search bar. 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 cause a denial of service, read uninitialized memory, obtain sensitive information, bypass same-origin restrictions, bypass CSP protections, bypass mixed content blocking, spoof the addressbar, or execute arbitrary code. It was discovered that javascript: URLs pasted in to the addressbar would be executed instead of being blocked in some circumstances. If a user were tricked in to copying a specially crafted URL in to the addressbar, an attacker could potentially exploit this to conduct cross-site scripting attacks. It was discovered that exported bookmarks do not strip script elements from user-supplied tags. If a user were tricked in to adding specially crafted tags to bookmarks, exporting them and then opening the resulting HTML file, an attacker could potentially exploit this to conduct cross-site scripting attacks. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, spoof, javascript, vulnerability, xss
systems | linux, ubuntu
advisories | CVE-2017-7828, CVE-2017-7830, CVE-2017-7831, CVE-2017-7832, CVE-2017-7833, CVE-2017-7834, CVE-2017-7835, CVE-2017-7837, CVE-2017-7838, CVE-2017-7839, CVE-2017-7840, CVE-2017-7842
MD5 | 6cdcaf4a995ce8dd8f0d4dc8e6b43d6b
Ubuntu Security Notice USN-3481-1
Posted Nov 17, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3481-1 - 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.

tags | advisory, remote, web, denial of service, arbitrary, javascript, code execution, xss
systems | linux, ubuntu
advisories | CVE-2017-13783, CVE-2017-13784, CVE-2017-13785, CVE-2017-13788, CVE-2017-13791, CVE-2017-13792, CVE-2017-13793, CVE-2017-13794, CVE-2017-13795, CVE-2017-13796, CVE-2017-13798, CVE-2017-13802, CVE-2017-13803
MD5 | 68e7c4cff272deb50d9fba595e29a0d0
Ubuntu Security Notice USN-3460-1
Posted Oct 23, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3460-1 - 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.

tags | advisory, remote, web, denial of service, arbitrary, javascript, code execution, xss
systems | linux, ubuntu
advisories | CVE-2017-7087, CVE-2017-7089, CVE-2017-7090, CVE-2017-7091, CVE-2017-7092, CVE-2017-7093, CVE-2017-7095, CVE-2017-7096, CVE-2017-7098, CVE-2017-7100, CVE-2017-7102, CVE-2017-7104, CVE-2017-7107, CVE-2017-7109, CVE-2017-7111, CVE-2017-7117, CVE-2017-7120
MD5 | 254d64d18cd661912facd6bbf8261ce5
Red Hat Security Advisory 2017-3002-01
Posted Oct 23, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-3002-01 - Node.js is a platform built on Chrome's JavaScript runtime for easily building fast, scalable network applications. Node.js uses an event-driven, non-blocking I/O model that makes it lightweight and efficient, perfect for data-intensive real-time applications that run across distributed devices. The following packages have been upgraded to a later upstream version: rh-nodejs4-nodejs. Security Fix: It was found that Node.js was using a non-randomized seed when populating hash tables. An attacker, able to supply a large number of inputs, could send specially crafted entries to the Node.js application, maximizing hash collisions to trigger an excessive amount of CPU usage, resulting in a denial of service.

tags | advisory, denial of service, javascript
systems | linux, redhat
advisories | CVE-2017-11499
MD5 | e84a36dc850e70dc60c7e0b8782502f5
Red Hat Security Advisory 2017-2908-01
Posted Oct 17, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-2908-01 - Node.js is a software development platform for building fast and scalable network applications in the JavaScript programming language. The following packages have been upgraded to a later upstream version: rh-nodejs6-nodejs. Security Fix: It was found that Node.js was using a non-randomized seed when populating hash tables. An attacker, able to supply a large number of inputs, could send specially crafted entries to the Node.js application, maximizing hash collisions to trigger an excessive amount of CPU usage, resulting in a denial of service.

tags | advisory, denial of service, javascript
systems | linux, redhat
advisories | CVE-2017-11499
MD5 | fcced40d7b65fd2217ee8c1369b9741a
Mac OS X Local Javascript Quarantine Bypass
Posted Sep 30, 2017
Authored by Filippo Cavallarin

Mac OS X contains a vulnerability that allows the bypass of the Apple Quarantine and the execution of arbitrary Javascript code without restrictions.

tags | exploit, arbitrary, javascript
systems | apple, osx
MD5 | 7f3e94a8e7dafebd1c8b7b6ad3c50ead
Phrack - Attacking JavaScript Engines
Posted Sep 26, 2017
Authored by phrack, saelo

Phrack: Attacking JavaScript Engines: A case study of JavaScriptCore and CVE-2016-4622.

tags | javascript, magazine
advisories | CVE-2016-4622
MD5 | 7eb5ac7affbfc927e6c0294bb84baa2c
Microsoft Edge Partial Page Loading Memory Corruption
Posted Sep 19, 2017
Authored by Ivan Fratric, Google Security Research

There is a security issue in Microsoft Edge related to how HTML documents are loaded. If Edge displays a HTML document from a slow HTTP server, it is possible that a part of the document is going to be rendered before the server has finished sending the document. It is also possible that some JavaScript code is going to trigger. By making DOM modifications before the document had a chance of fully loading, followed by another set of DOM modifications after the page has been loaded, it is possible to trigger memory corruption that could possibly lead to an exploitable condition.

tags | exploit, web, javascript
advisories | CVE-2017-8731
MD5 | 38a51b456f8f99a75032e480ca87fb20
PDF-XChange Viewer 2.5 (Build 314.0) Code Execution
Posted Aug 24, 2017
Authored by Daniele Votta

PDF-XChange Viewer version 2.5 (Build 314.0) suffers from a javascript API remote code execution vulnerability.

tags | exploit, remote, javascript, code execution
advisories | CVE-2017-13056
MD5 | 95670a27a8d84b139aea1f89f227147b
Ubuntu Security Notice USN-3376-1
Posted Aug 3, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3376-1 - 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.

tags | advisory, remote, web, denial of service, arbitrary, javascript, code execution, xss
systems | linux, ubuntu
advisories | CVE-2017-2538, CVE-2017-7018, CVE-2017-7030, CVE-2017-7034, CVE-2017-7037, CVE-2017-7039, CVE-2017-7046, CVE-2017-7048, CVE-2017-7052, CVE-2017-7055, CVE-2017-7056, CVE-2017-7061, CVE-2017-7064
MD5 | e387fcf37251d265cc71556e68ff7b81
Nitro Pro PDF Reader 11.0.3.173 Remote Code Execution
Posted Aug 2, 2017
Authored by mr_me, sinn3r, Brendan Coles | Site metasploit.com

This Metasploit module exploits an unsafe Javascript API implemented in Nitro and Nitro Pro PDF Reader version 11. The saveAs() Javascript API function allows for writing arbitrary files to the file system. Additionally, the launchURL() function allows an attacker to execute local files on the file system and bypass the security dialog Note: This is 100% reliable.

tags | exploit, arbitrary, local, javascript
advisories | CVE-2017-7442
MD5 | 18ea66b3d4ade909dbf22fe503cf7764
REDDOXX Appliance Cross Site Scripting
Posted Jul 24, 2017
Site redteam-pentesting.de

RedTeam Pentesting discovered a cross site scripting (XSS) vulnerability in the REDDOXX appliance software, which allows attackers to inject arbitrary JavaScript code via a crafted URL. Affected versions include build 2032 and 2.0.625.

tags | exploit, arbitrary, javascript, xss
MD5 | 9a8f679c770ecd3442415c5f9eb1fcee
Ubuntu Security Notice USN-3303-1
Posted May 30, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3303-1 - 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.

tags | advisory, remote, web, denial of service, arbitrary, javascript, code execution, xss
systems | linux, ubuntu
advisories | CVE-2017-2496, CVE-2017-2510, CVE-2017-2539
MD5 | 5bef6c3431fc241e7202efca881ef4de
Google Chrome 60.0.3080.5 V8 JavaScript Engine Out-Of-Bounds Write
Posted May 27, 2017
Authored by halbecaf

Google Chrome version 60.0.3080.5 V8 suffers from an out-of-bounds write vulnerability in the javascript engine.

tags | exploit, javascript
MD5 | 32296c9946d06965a97426e219124598
Ubuntu Security Notice USN-3257-1
Posted Apr 11, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3257-1 - 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.

tags | advisory, remote, web, denial of service, arbitrary, javascript, code execution, xss
systems | linux, ubuntu
advisories | CVE-2016-9642, CVE-2016-9643, CVE-2017-2364, CVE-2017-2367, CVE-2017-2376, CVE-2017-2377, CVE-2017-2386, CVE-2017-2392, CVE-2017-2394, CVE-2017-2395, CVE-2017-2396, CVE-2017-2405, CVE-2017-2415, CVE-2017-2419, CVE-2017-2433, CVE-2017-2442, CVE-2017-2445, CVE-2017-2446, CVE-2017-2447, CVE-2017-2454, CVE-2017-2455, CVE-2017-2457, CVE-2017-2459, CVE-2017-2460, CVE-2017-2464, CVE-2017-2465, CVE-2017-2466, CVE-2017-2468
MD5 | cfcad6a0754304b4fab8d7a9aa55d3f6
Red Hat Security Advisory 2017-0882-01
Posted Apr 5, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-0882-01 - V8 is Google's open source JavaScript engine. V8 is written in C++ and is used in Google Chrome, the open source browser from Google. V8 implements ECMAScript as specified in ECMA-262, 3rd edition. Security Fix: An integer-overflow flaw was found in V8's Zone class when allocating new memory and Zone::NewExpand()). An attacker with the ability to manipulate a large zone could crash the application or, potentially, execute arbitrary code with the application privileges.

tags | advisory, overflow, arbitrary, javascript
systems | linux, redhat
advisories | CVE-2016-1669
MD5 | f105e9f87aed62bba1af303b7c9feaf9
Red Hat Security Advisory 2017-0880-01
Posted Apr 5, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-0880-01 - V8 is Google's open source JavaScript engine. V8 is written in C++ and is used in Google Chrome, the open source browser from Google. V8 implements ECMAScript as specified in ECMA-262, 3rd edition. Security Fix: An integer-overflow flaw was found in V8's Zone class when allocating new memory and Zone::NewExpand()). An attacker with the ability to manipulate a large zone could crash the application or, potentially, execute arbitrary code with the application privileges.

tags | advisory, overflow, arbitrary, javascript
systems | linux, redhat
advisories | CVE-2016-1669
MD5 | dde4f33d59c42a6228fb0d31ad96f90c
Red Hat Security Advisory 2017-0881-01
Posted Apr 5, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-0881-01 - V8 is Google's open source JavaScript engine. V8 is written in C++ and is used in Google Chrome, the open source browser from Google. V8 implements ECMAScript as specified in ECMA-262, 3rd edition. Security Fix: An integer-overflow flaw was found in V8's Zone class when allocating new memory and Zone::NewExpand()). An attacker with the ability to manipulate a large zone could crash the application or, potentially, execute arbitrary code with the application privileges.

tags | advisory, overflow, arbitrary, javascript
systems | linux, redhat
advisories | CVE-2016-1669
MD5 | ca2c881da5260fe98c877bc6cee1c86e
Red Hat Security Advisory 2017-0879-01
Posted Apr 5, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-0879-01 - V8 is Google's open source JavaScript engine. V8 is written in C++ and is used in Google Chrome, the open source browser from Google. V8 implements ECMAScript as specified in ECMA-262, 3rd edition. Security Fix: An integer-overflow flaw was found in V8's Zone class when allocating new memory and Zone::NewExpand()). An attacker with the ability to manipulate a large zone could crash the application or, potentially, execute arbitrary code with the application privileges.

tags | advisory, overflow, arbitrary, javascript
systems | linux, redhat
advisories | CVE-2016-1669
MD5 | d54b9d477fd5892917ed666bf4f46c42
Safari Function.caller Modification
Posted Mar 29, 2017
Authored by Google Security Research, natashenka

The built-in JavaScript in the Safari browser allows Function.caller to be used in strict mode.

tags | exploit, javascript
advisories | CVE-2017-2446
MD5 | 545139f81e45c8ea77131117e8fa9144
Ubuntu Security Notice USN-3200-1
Posted Feb 17, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3200-1 - 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.

tags | advisory, remote, web, denial of service, arbitrary, javascript, code execution, xss
systems | linux, ubuntu
advisories | CVE-2017-2350, CVE-2017-2354, CVE-2017-2355, CVE-2017-2356, CVE-2017-2362, CVE-2017-2363, CVE-2017-2364, CVE-2017-2365, CVE-2017-2366, CVE-2017-2369, CVE-2017-2371, CVE-2017-2373
MD5 | cf31bf98538e913c42f72a1e76e115ce
Ubuntu Security Notice USN-3191-1
Posted Feb 6, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3191-1 - 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.

tags | advisory, remote, web, denial of service, arbitrary, javascript, code execution, xss
systems | linux, ubuntu
advisories | CVE-2016-7586, CVE-2016-7589, CVE-2016-7592, CVE-2016-7599, CVE-2016-7623, CVE-2016-7632, CVE-2016-7635, CVE-2016-7639, CVE-2016-7641, CVE-2016-7645, CVE-2016-7652, CVE-2016-7654, CVE-2016-7656
MD5 | fcbdb8dd1734367f07f389de62be6b66
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