Microsoft Edge Chakra JIT - BoundFunction::NewInstance Out-of-Bounds Read

Microsoft Edge Chakra JIT - BoundFunction::NewInstance Out-of-Bounds Read / BoundFunction::NewInstance is used to handle calls to a bound function. The method first allocates a new argument array and copies the prepended arguments and others into the new argument array and calls the actual...

Microsoft Edge Chakra JIT - Out-of-Bounds Reads/Writes

/ It seems that this issue is similar to the issue 1429 MSRC 42111. It might need to refresh the page several times to observe a crash. PoC: / let arr = new Uint32Array1000; for let i = 0; i 0x1000000; i++ for let j = 0; j 1; j++ i--; i++; arri = 0x1234;...

Microsoft Edge Chakra JIT - Type Confusion with Hoisted SetConcatStrMultiItemBE Instructions Exploit

Exploit for windows platform in category dos / poc / Here's a PoC: / function optstr for let i = 0; i .var s9.var = LdSlot s32s18l53.var s7.var = LdSlot s20s18l51.var s8.var = LdSlot s19s18l52.var s1Object.var = LdA 0x7FFFF47A0000 GlobalObjectObject.var s2.var = LdCAI4 0 0x0.i32 s3.var = LdCAI4 2...

Microsoft Edge Chakra JIT - BoundFunction::NewInstance Out-of-Bounds Read Exploit

Exploit for windows platform in category dos / poc / BoundFunction::NewInstance is used to handle calls to a bound function. The method first allocates a new argument array and copies the prepended arguments and others into the new argument array and calls the actual function. The problem is, it...

Microsoft Edge Chakra JIT SetConcatStrMultiItemBE Type Confusion

Microsoft Edge: Chakra: JIT: Type confusion with hoisted SetConcatStrMultiItemBE instructions CVE-2018-8229 Here's a PoC: function optstr for let i = 0; i .var s9.var = LdSlot s32s18l53.var s7.var = LdSlot s20s18l51.var s8.var = LdSlot s19s18l52.var s1Object.var = LdA 0x7FFFF47A0000...

Apple Safari RegExp Exec Type Confusion Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Apple Safari. 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 of...

Analysis antivirus BitDefender integer overflow vulnerabilities Part II--exploit-vulnerability warning-the black bar safety net

Our last article reviewed from Pagefault submitted content, detailed description of the Bitdefender antivirus product of the integer overflow problem. Although only rely on the content of these is sufficient to the supplier to submit a bug report, but the Pagefault by providing a...

Remote Code Execution (RCE)

microsoft.chakracore is vulnerable to remote code execution. This is due to a type confusion vulnerability in Chakra JIT which could lead to memory corruption and allow an attacker to execute arbitrary code in the context of the authenticated user. This CVE ID is different from CVE-2018-0945,...

CVE-2017-5400

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. This vulnerability affects Firefox 52, Firefox ESR 45.8, Thunderbird 52, and Thunderbird 45.8...

CVE-2017-5400

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. This vulnerability affects Firefox 52, Firefox ESR 45.8, Thunderbird 52, and Thunderbird 45.8...

CVE-2017-5375

JIT code allocation can allow for a bypass of ASLR and DEP protections leading to potential memory corruption attacks. This vulnerability affects Thunderbird 45.7, Firefox ESR 45.7, and Firefox 51...

CVE-2017-5375

JIT code allocation can allow for a bypass of ASLR and DEP protections leading to potential memory corruption attacks. This vulnerability affects Thunderbird 45.7, Firefox ESR 45.7, and Firefox 51...

Memory corruption

JIT code allocation can allow for a bypass of ASLR and DEP protections leading to potential memory corruption attacks. This vulnerability affects Thunderbird 45.7, Firefox ESR 45.7, and Firefox 51...

Memory corruption

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. This vulnerability affects Firefox 52, Firefox ESR 45.8, Thunderbird 52, and Thunderbird 45.8...

CVE-2017-5375

JIT code allocation can allow for a bypass of ASLR and DEP protections leading to potential memory corruption attacks. This vulnerability affects Thunderbird 45.7, Firefox ESR 45.7, and Firefox 51...

CVE-2017-5400

The CVE-2017-5400 entry describes a exploit scenario arising from a JIT-spray targeting asm.js combined with a heap spray that bypasses ASLR and DEP, potentially causing memory corruption. Connected IBM advisories confirm affected product: IBM Storwize V7000 Unified (codes 1.5.1.0–1.5.2.5) with F...

CVE-2017-5375

CVE-2017-5375 affects Mozilla Thunderbird, Firefox ESR, and Firefox prior to certain version thresholds. The issue is a JIT code allocation vulnerability that can bypass ASLR and DEP, enabling memory corruption. Public exploit activity exists (ASM.JS JIT-Spray PoCs) for multiple Firefox versions ...

CVE-2017-5375

JIT code allocation can allow for a bypass of ASLR and DEP protections leading to potential memory corruption attacks. This vulnerability affects Thunderbird 45.7, Firefox ESR 45.7, and Firefox 51...

CVE-2017-5375

JIT code allocation can allow for a bypass of ASLR and DEP protections leading to potential memory corruption attacks. This vulnerability affects Thunderbird 45.7, Firefox ESR 45.7, and Firefox 51...

CVE-2017-5400

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. This vulnerability affects Firefox 52, Firefox ESR 45.8, Thunderbird 52, and Thunderbird 45.8...