Firefox 50.0.1 - ASM.JS JIT-Spray Remote Code Execution

Firefox 50.0.1 - ASM.JS JIT-Spray Remote Code Execution function asmjsmodule "use asm"; / huge jitted nop sled / function payloadcode var val = 0; val = val + 0xa8909090|0; val = val + 0xa8909090|0; val = val + 0xa8909090|0; val = val + 0xa8909090|0; val = val + 0xa8909090|0; val = val +...

Firefox 50.0.1 - ASM.JS JIT-Spray Remote Code Execution

function asmjsmodule "use asm"; / huge jitted nop sled / function payloadcode var val = 0; val = val + 0xa8909090|0; val = val + 0xa8909090|0; val = val + 0xa8909090|0; val = val + 0xa8909090|0; val = val + 0xa8909090|0; val = val + 0xa8909090|0; val = val + 0xa8909090|0; val = val + 0xa8909090|0...

Firefox 50.0.1 ASM.JS JIT-Spray Remote Code Execution

function asmjsmodule "use asm"; / huge jitted nop sled / function payloadcode var val = 0; val = val + 0xa8909090|0; val = val + 0xa8909090|0; val = val + 0xa8909090|0; val = val + 0xa8909090|0; val = val + 0xa8909090|0; val = val + 0xa8909090|0; val = val + 0xa8909090|0; val = val + 0xa8909090|0...

Microsoft Chakra Array JIT Optimization Type Confusion Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Windows. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling o...

Microsoft Chakra Typed Array JIT Optimization Use-After-Free Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Chakra. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the generation ...

WebKit JSC - JIT Optimization Check Failed in IntegerCheckCombiningPhase::handleBlock Exploit

Exploit for multiple platform in category dos / poc range.mmaxBound range.mmaxBound = data.maddend; range.mmaxOrigin = node-origin.semantic; else if data.maddend origin.semantic; ... The problem is that the check |data.maddend range.mmaxBound| is a signed comparison. PoC: -- function f let arr = ...

WebKit JSC - JIT Optimization Check Failed in IntegerCheckCombiningPhase::handleBlock

WebKit JSC - JIT Optimization Check Failed in IntegerCheckCombiningPhase::handleBlock range.mmaxBound range.mmaxBound = data.maddend; range.mmaxOrigin = node-origin.semantic; else if data.maddend origin.semantic; ... The problem is that the check |data.maddend range.mmaxBound| is a signed...

WebKit JSC - JIT Optimization Check Failed in IntegerCheckCombiningPhase::handleBlock

range.mmaxBound range.mmaxBound = data.maddend; range.mmaxOrigin = node-origin.semantic; else if data.maddend origin.semantic; ... The problem is that the check |data.maddend range.mmaxBound| is a signed comparison. PoC: -- function f let arr = new Uint32Array10; for let i = 0; i 0x100000; i++...

WebKit JSC Jit Optimization Check Failure

WebKit: JSC: JIT optimization check failed in IntegerCheckCombiningPhase::handleBlock CVE-2017-2547 When compiling Javascript code into machine code, bound checks for all accesses to a typed array are also inserted. These bound checks are re-optimized and the unnecessary checks are removed, which...

openSUSE: Security Advisory for java-1_8_0-openjdk (openSUSE-SU-2017:1507-1)

The remote host is missing an update for the Copyright C 2017 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

Apple Safari 10.1 - Spread Operator Integer Overflow Remote Code Execution

Apple Safari 10.1 - Spread Operator Integer Overflow Remote Code Execution Sources: https://phoenhex.re/2017-06-02/arrayspread https://github.com/phoenhex/files/blob/master/exploits/spread-overflow JavaScriptCore will allocate a JSFixedArray for every spread operand of the array literal in...

Apple Safari 10.1 - Spread Operator Integer Overflow Remote Code Execution Exploit

Exploit for macOS platform in category remote exploits Sources: https://phoenhex.re/2017-06-02/arrayspread https://github.com/phoenhex/files/blob/master/exploits/spread-overflow JavaScriptCore will allocate a JSFixedArray for every spread operand of the array literal in slowpathspread. As such,...

SUSE SLED12 / SLES12 Security Update : java-1_8_0-openjdk (SUSE-SU-2017:1445-1)

This update for java-180-openjdk fixes the following issues : - Upgrade to version jdk8u131 icedtea 3.4.0 - bsc1034849 - Security fixes - S8163520, CVE-2017-3509: Reuse cache entries - S8163528, CVE-2017-3511: Better library loading - S8165626, CVE-2017-3512: Improved window framing - S8167110,...

Fedora 24 : pcre (2017-3b367c896f)

This release fixes a crash when finding a Unicode property for a character with a code point greater than 0x10ffff in UTF-32 library while UTF mode is disabled and JIT mde enabled. It also fixes a buffer overlflow in pcretest tool when copying a string in UTF-32 mode. Note that Tenable Network...

Fedora 25 : pcre2 (2017-9c6430c2e2)

This release fixes a crash when finding a Unicode property for a character with a code point greater than 0x10ffff in UTF-32 library while UTF mode is disabled and JIT mode is enabled. It also fixes an incortect cast in UTF validation routine. Note that Tenable Network Security has extracted the...

Security vulnerabilities fixed in - Thunderbird 52 — Mozilla

JIT-spray targeting asm.js combined with a heap spray allows for a bypass of ASLR and DEP protections leading to potential memory corruption attacks. A crash triggerable by web content in which an ErrorResult references unassigned memory due to a logic error. The resulting crash may be exploitabl...

Updated thunderbird packages fix security vulnerability

JIT-spray targeting asm.js combined with a heap spray allows for a bypass of ASLR and DEP protections leading to potential memory corruption attacks. CVE-2017-5400 A crash triggerable by web content in which an ErrorResult references unassigned memory due to a logic error. The resulting crash may...

SUSE SLED12 / SLES12 Security Update : MozillaFirefox (SUSE-SU-2017:0714-1)

This update for MozillaFirefox to ESR 45.8 fixes the following issues: Security issues fixed bsc1028391 : - CVE-2017-5402: Use-after-free working with events in FontFace objects - CVE-2017-5410: Memory corruption during JavaScript garbage collection incremental sweeping - CVE-2017-5400: asm.js...

Microsoft Edge Charkra Incorrect Jit Optimization Exploit

Exploit for windows platform in category dos / poc Microsoft Edge: Chakra incorrect jit optimization with TypedArray setter. CVE-2017-0071 PoC: "use strict"; function funca, b, c a0 = 1.2; b0 = c; a0 = ; ----------------------- 2 return 0; ; a0.toString; main; In the above code, Chakra assumes th...

Microsoft Edge Charkra Incorrect Jit Optimization

Microsoft Edge: Chakra incorrect jit optimization with TypedArray setter. CVE-2017-0071 PoC: "use strict"; function funca, b, c a0 = 1.2; b0 = c; a0 = ; ----------------------- 2 return 0; ; a0.toString; main; In the above code, Chakra assumes that the type of |a| will be still a native float arr...