JavaScriptCore suffers from a crash condition due to an uninitialized register in slow_path_profile_catch. Proof of concept that affects Safari is included.
8dd2cde7c2edb66fc6061ca48debe795fc639981944e4354c301b47af6a7c4b1This Metasploit module exploits a JIT optimization bug in Safari Webkit. This allows us to write shellcode to an RWX memory section in JavaScriptCore and execute it. The shellcode contains a kernel exploit (CVE-2016-4669) that obtains kernel rw, obtains root and disables code signing. Finally we download and execute the meterpreter payload. This module has been tested against iOS 7.1.2 on an iPhone 4.
8ca4b125e9aba514f4d2bd3c12b5189f4dceafcaab577262cc602a11c87480fbAn issue in JSC leaves the data flow graph inconsistent. While fuzzing JavaScriptCore with fuzzilli, the researcher found a crash condition in JSC.
f2e43004dcfceafecefbc6c781e8b7b7c0553fe8bd4f4bb81b7c35e3f2629141JavaScriptCore (JSC) GetterSetter suffers from a type confusion vulnerability during DFG compilation.
f8e60930397de757314b85c289c63228a5b19761b6793d77e58b54ffc9aab262JavaScriptCore suffers from an issue where there's a JSValue use-after-free vulnerability in ValueProfiles.
a9501df8f786600223589a22ac96f06da65cf505b543b54f2ef6219f16639ac6JavaScriptCore DFG loop-invariant code motion (LICM) has an issue where it leaves object property access unguarded.
8fd7bdc27408729bccdf334f804fe0fb27728920396e0444c1671aec6b62ab56JavaScriptCore loop-invariant code motion (LICM) in DFG JIT leaves a stack variable uninitialized.
27425be0903bc29c98b9ac1f8d97a7534299a0640fd9a7853018e50fa5fb5df7JavaScriptCore AIR optimization incorrectly removes assignment to register.
a8dd00ac9f2bcbdc2b915ee79af5769a43a82c3045a988444400a182ce34eb0cJavaScriptCore suffer from an out-of-bounds access vulnerability in FTL JIT due to LICM moving array access before the bounds check.
9a02a54289b2b9f809f566be2d17028c79e568ca28237359ba4a8b4c918b6c32JavaScriptCore suffers from CodeBlock use-after-free vulnerabilities due to dangling Watchpoints.
30aab9e3b032f95ac520c57e1d074e71d3dfc7391284ee4107e7ab009d5eb514JavaScriptCore has an issue where createRegExpMatchesArray does not respect inferred types.
e3e805d860fc95f3375effbe7e1765bebfec64afa85c31a72c61f81229111064This Metasploit module exploits a use-after-free vulnerability in WebKit's JavaScriptCore library.
e0baf08d0593f705fb8158e36e5ab1b2b1b43896b0acaaa4c81e4d5a9f019f9dPhrack: Attacking JavaScript Engines: A case study of JavaScriptCore and CVE-2016-4622.
a2a651765bcc685814d2b564c3c669f0395802f26c4a1113472d38c2118c52fdThe Task Scheduler can be made to delete a task after it's trigger has expired. No check is made to ensure the task file is not a junction which allows arbitrary files to be deleted by the system user leading to EoP.
c30785bf661d0d66daa78abe61a94c360587d6e66ae875cfc5a81dc4ec54b02eThe NtUserGetClipboardAccessToken win32k system call exposes the access token of the last user to lower-privileged users. It can also be used to open an anonymous impersonation thread token which normally OpenThreadToken shouldn't be able to do. This is a bypass of the fix for CVE-2015-0078.
9bcf7274e363f1dc579d9ed68048a01019d56cc2f841f1a4a04c182389196296The Microsoft\Windows\Shell\CreateObjectTask initializes a shell32 based ICreateObject COM server as local system. This is marked as being accessible from a normal user account so once created we can attach to it. The server only has one method, CreateObject which checks the CLSID against a list of known safe classes before allowing it to be instantiated. One of these classes is allows a user to set their account picture for the logon screen.
6a43091589e97afa78001dc6e8f0c4e88aed1de975f8578e7b0706c3c45901f3The Microsoft\Windows\Shell\CreateObjectTask initializes a shell32 based ICreateObject COM server as local system. This is marked as being accessible from a normal user account so once created we can attach to it. The server only has one method, CreateObject which checks the CLSID against a list of known safe classes before allowing it to be instantiated. One of these classes is a diagnostic class for setting synchronization implemented in SettingSync.dll.
6aef4dd16b7085d61fe94cd118f3ece652f9cd33df0722b63a4bf31f53557554An OS X IOKit kernel memory corruption issue occurs due to a bad bzero in IOBluetoothDevice.
f3d2f3b8051f90b86f0cfd263f09f98a7e0e04c1e1fcff20c13e3ca8f318052cAdobe Reader X and XI for windows suffers from an out-of-bounds write in CoolType.dll.
94d511f0b5c52532ba8c4998f0ae71bb9ef6d1788cd193c33ea257be138b259fThe Windows Kernel is subject to two related kernel-mode type-confusion vulnerabilities inside win32k!xxxRemoteReconnect. In both cases, a user-mode parameter passed to the syscall is incorrectly resolved to its underlying kernel representation via ObReferenceObjectByHandle passing NULL as the "ObType" field (rather than *IoFileTypeObject and *IoDeviceTypeObject respectively). Because the type is not checked, if a handle of a type other than a HANDLE to a file and a device are passed, the kernel incorrectly uses the underlying representation of the object as a PFILE_OBJECT and a PDEVICE_OBJECT, causing memory corruption in the kernel.
1fc87129199a0c6cd9e6a9fa146cc6e891c7331266896538d14fc884c57013baThe Install.framework runner suid root binary does not correctly account for the fact that Distributed Objects can be connected to by multiple clients at the same time. By connecting two proxy objects to an IFInstallRunner and calling [IFInstallRunner makeReceiptDirAt:asRoot:] in the first and passing a custom object as the directory name we can get a callback to our code just after the makeReceiptDirAt code has called seteuid(0);setguid(0) to regain privs. Since BSD priviledges are per-process this means that our other proxy object will now have euid 0 without having to provide an authorization reference. In this second proxy we can then just call runTaskSecurely and get a root shell before returning from the first proxy's callback function which will then drop privs.
1fd4f2bf985f7460d71d17680841dc5c059fe7c05b9a7ac1a776291868ff74e3The private Install.framework has a few helper executables in /System/Library/PrivateFrameworks/Install.framework/Resources, one of which is suid root and exploitable.
a34aa2485110ffeff9b63cf7063d71e3ac6548549f001e7517073b7f1ffaa5caInstall.framework has a suid root binary at /System/Library/PrivateFrameworks/Install.framework/Resources/runner that allows for arbitrary mkdir, unlink, and chown.
4b9ea14e8540ddbdec18fe305074224119369e420b4ed663a1f2bac393fa7f15The Windows Kernel is subject to a kernel-mode type-confusion vulnerability inside win32k!NtUserSetInformationThread due to referencing a user-mode handle via ObReferenceObjectByHandle with a "NULL" type specified (it should instead be using *LpcPortObjectType to protect against this vulnerability). This vulnerability can be triggered from inside CSRSS via the syscall win32k!NtUserSetInformationThread with ThreadInformationClass set to "UserThreadCsrApiPort" and the parameter of the syscall set to a HANDLE that is not an LPC object.
f08ca467d2241babc70e51da65057abb65b9ecf85249b35405cfc513910c45d6The programmable interrupt timer (PIT) controller in QEMU does not correctly validate the channel number when performing IO writes to the device controller, allowing both an information disclosure and a heap overflow within the context of the host.
13f86bfcab19e0b4b4a2b31f5267866e4f2e1bf60fa810d064d79e7a787b0c07Microsoft Office 2007 suffers from a RTF XML SmartTags use-after-free vulnerability.
9112fd06f8a9594124ac555685a4c390b42d8b36cbf029a9deca63894f80b49e
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