CVE-2015-1142857

On multiple SR-IOV cars it is possible for VF's assigned to guests to send ethernet flow control pause frames via the PF. This includes Linux kernel ixgbe driver before commit f079fa005aae08ee0e1bc32699874ff4f02e11c1, the Linux Kernel i40e/i40evf driver before...

Design/Logic Flaw

On multiple SR-IOV cars it is possible for VF's assigned to guests to send ethernet flow control pause frames via the PF. This includes Linux kernel ixgbe driver before commit f079fa005aae08ee0e1bc32699874ff4f02e11c1, the Linux Kernel i40e/i40evf driver before...

CVE-2015-1142857

CVE-2015-1142857 describes a network-virtualization flaw where VFs assigned to guests can cause ethernet flow-control pause frames to be sent via the PF on SR-IOV NICs. The vulnerability affects multiple drivers and firmware families: Linux ixgbe (before commit f079fa005aae08ee0e1bc32699874ff4f02...

CVE-2015-1142857

On multiple SR-IOV cars it is possible for VF's assigned to guests to send ethernet flow control pause frames via the PF. This includes Linux kernel ixgbe driver before commit f079fa005aae08ee0e1bc32699874ff4f02e11c1, the Linux Kernel i40e/i40evf driver before...

UBUNTU-CVE-2018-5113

The "browser.identity.launchWebAuthFlow" function of WebExtensions is only allowed to load content over "https:" but this requirement was not properly enforced. This can potentially allow privileged pages to be loaded by the extension. This vulnerability affects Firefox 58...

Microsoft Office Vulnerabilities Used to Distribute Zyklon Malware in Recent Campaign

Introduction FireEye researchers recently observed threat actors leveraging relatively new vulnerabilities in Microsoft Office to spread Zyklon HTTP malware. Zyklon has been observed in the wild since early 2016 and provides myriad sophisticated capabilities. Zyklon is a publicly available,...

FLARE IDA Pro Script Series: Simplifying Graphs in IDA

Introduction We’re proud to release a new plug-in for IDA Pro users – SimplifyGraph – to help automate creation of groups of nodes in the IDA’s disassembly graph view. Code and binaries are available from the FireEye GitHub repo. Prior to this release we submitted it in the 2017 Hex-Rays plugin...

FLARE IDA Pro Script Series: Simplifying Graphs in IDA

Introduction We’re proud to release a new plug-in for IDA Pro users – SimplifyGraph – to help automate creation of groups of nodes in the IDA’s disassembly graph view. Code and binaries are available from the FireEye GitHub repo. Prior to this release we submitted it in the 2017 Hex-Rays plugin...

Android - Hardware Service Manager Arbitrary Service Replacement due to getpidcon

This bug is similar to Jann Horn's issue https://bugs.chromium.org/p/project-zero/issues/detail?id=851 -- credit should go to him. The hardware service manager allows the registration of HAL services. These services are used by the vendor domain and other core processes, including systemserver,...

CVE-2018-0818

Microsoft ChakraCore allows an attacker to bypass Control Flow Guard CFG in conjunction with another vulnerability to run arbitrary code on a target system, due to how the Chakra scripting engine handles accessing memory, aka "Scripting Engine Security Feature Bypass"...

Security feature bypass

Microsoft ChakraCore allows an attacker to bypass Control Flow Guard CFG in conjunction with another vulnerability to run arbitrary code on a target system, due to how the Chakra scripting engine handles accessing memory, aka "Scripting Engine Security Feature Bypass"...

CVE-2018-0818

CVE-2018-0818 is a security feature bypass in Microsoft ChakraCore that enables bypass of Control Flow Guard (CFG) by exploiting how the Chakra scripting engine handles memory. Affected software includes ChakraCore, Microsoft Edge and Internet Explorer, with the CFG bypass potentially enabling co...

CVE-2018-0818

Microsoft ChakraCore allows an attacker to bypass Control Flow Guard CFG in conjunction with another vulnerability to run arbitrary code on a target system, due to how the Chakra scripting engine handles accessing memory, aka "Scripting Engine Security Feature Bypass"...

Microsoft Edge Chakra JIT BackwardPass::RemoveEmptyLoopAfterMemOp Failed Insert

Microsoft Edge: Chakra: JIT: BackwardPass::RemoveEmptyLoopAfterMemOp doesn't insert branches. CVE-2017-11909 The optimizations for memory operations may leave empty loops as follows: for let i = 0; i arr.length; i++ arri = 0; Becomes: Memsetarr, 0, arr.length; for let i = 0; i arr.length; i++ //...

RIG exploit kit campaign gets deep into crypto craze

There isn't a day that goes by without a headline about yet another massive spike in Bitcoin valuation, or a story about someone mortgaging their house to purchase the hardware required to become a serious cryptocurrency miner. If many folks are thinking about joining the 'crypto craze' movement,...

Microsoft Edge Chakra JIT - BackwardPass::RemoveEmptyLoopAfterMemOp Does not Insert Branches

Exploit for windows platform in category dos / poc / The optimizations for memory operations may leave empty loops as follows: for let i = 0; i arr.length; i++ arri = 0; Becomes: Memsetarr, 0, arr.length; for let i = 0; i arr.length; i++ // empty! These empty loops will be removed by...

Microsoft Edge Chakra JIT - BackwardPass::RemoveEmptyLoopAfterMemOp Does not Insert Branches

/ The optimizations for memory operations may leave empty loops as follows: for let i = 0; i arr.length; i++ arri = 0; Becomes: Memsetarr, 0, arr.length; for let i = 0; i arr.length; i++ // empty! These empty loops will be removed by "BackwardPass::RemoveEmptyLoopAfterMemOp". But this method just...

Microsoft Edge Chakra JIT - BackwardPass::RemoveEmptyLoopAfterMemOp Does not Insert Branches

Microsoft Edge Chakra JIT - BackwardPass::RemoveEmptyLoopAfterMemOp Does not Insert Branches / The optimizations for memory operations may leave empty loops as follows: for let i = 0; i arr.length; i++ arri = 0; Becomes: Memsetarr, 0, arr.length; for let i = 0; i arr.length; i++ // empty! These...

Microsoft ChakraCore Security Bypass Vulnerability

Microsoft Chakra is a JavaScript scripting engine used by the Web browser of the United States Microsoft Microsoft. A security bypass vulnerability exists in the scripting engine in Microsoft Chakra. A remote attacker could exploit this vulnerability to bypass execution flow protection CFG...

Scripting Engine Security Feature Bypass Vulnerability

A security feature bypass vulnerability exists in the Microsoft Chakra scripting engine that allows Control Flow Guard CFG to be bypassed. By itself, the CFG bypass vulnerability does not allow arbitrary code execution. However, an attacker could use the CFG bypass vulnerability in conjunction wi...