WebKit - WebCore::InlineTextBox::paint Out-of-Bounds Read Exploit

Exploit for multiple platform in category dos / poc -webkit-logical-width: 1px; -webkit-perspective: 1px; function jsfuzzer var htmlvar00011 = document.getElementById"htmlvar00011"; var htmlvar00019 = document.getElementById"htmlvar00019"; var htmlvar00049 = document.getElementById"htmlvar00049";...

WebKit WebCore::SVGAnimateElementBase::resetAnimatedType Use-After-Free

WebKit: Use-after-free in WebCore::SVGAnimateElementBase::resetAnimatedType CVE-2018-4314 There is a use-after-free security vulnerability in WebKit. The vulnerability was confirmed on the ASan build of the latest WebKit source on OSX. PoC:...

WebKit WebCore::SVGTextLayoutAttributes::context Use-After-Free

WebKit: Use-after-free in WebCore::SVGTextLayoutAttributes::context CVE-2018-4318 There is a use-after-free security vulnerability in WebKit. The vulnerability was confirmed on the ASan build of the latest WebKit source on OSX. PoC: ================================================================...

WebKit WebCore::RenderMultiColumnSet::updateMinimumColumnHeight Use-After-Free

WebKit: Use-after-free in WebCore::RenderMultiColumnSet::updateMinimumColumnHeight CVE-2018-4323 There is a use-after-free security vulnerability in WebKit. The vulnerability was confirmed on the ASan build of WebKit revision 233419 on OSX. The vulnerability has also been confirmed on Safari 11.1...

WebKit WebCore::RenderTreeBuilder::removeAnonymousWrappersForInlineChildrenIfNeeded Use-After-Free

WebKit: Use-after-free in WebCore::RenderTreeBuilder::removeAnonymousWrappersForInlineChildrenIfNeeded CVE-2018-4197 There is a use-after-free security vulnerability in WebKit. The vulnerability was confirmed on the ASan build of the latest WebKit source on OSX. PoC:...

WebKit - 'WebCore::RenderTreeBuilder::removeAnonymousWrappersForInlineChildrenIfNeeded' Use-After-Free

::selection, input:focus, .class0, ul::first-letter -webkit-column-count: 85; float: left; function jsfuzzer var fuzzervars = ; try / / var00034 = document.getSelection; catche try var00034.setPositionhtmlvar00003; var var00043 catche try / newvarvar00104:Element / var var00104 = htmlvar00013;...

WebKit WebCore::InlineTextBox::paint Out-Of-Bounds Read

WebKit: Out-of-bounds read in WebCore::InlineTextBox::paint CVE-2018-4328 There is a out-of-bounds read security vulnerability in WebKit. The vulnerability was confirmed on the ASan build of WebKit revision 233419 on OSX. The vulnerability has also been confirmed on Safari 11.1.1 sources grabbed...

WebRTC - FEC Processing Overflow

WebRTC - FEC Processing Overflow There are several calls to memcpy that can overflow the destination buffer in webrtc::UlpfecReceiverImpl::AddReceivedRedPacket. The method takes a parameter incomingrtppacket, which is an RTP packet with a mac length that is defined by the transport 2048 bytes for...

WebRTC - VP8 Block Decoding Use-After-Free

WebRTC - VP8 Block Decoding Use-After-Free There is a use-after-free in VP8 block decoding in WebRTC. The contents of the freed block is then treated a pointer, leading to a crash in WebRTC. ==20098==ERROR: AddressSanitizer: heap-use-after-free on address 0x6330000a9491 at pc 0x0000014cde2f bp...

WebRTC - FEC Processing Overflow

There are several calls to memcpy that can overflow the destination buffer in webrtc::UlpfecReceiverImpl::AddReceivedRedPacket. The method takes a parameter incomingrtppacket, which is an RTP packet with a mac length that is defined by the transport 2048 bytes for DTLS in Chrome. This packet is...

WebRTC - VP8 Block Decoding Use-After-Free

There is a use-after-free in VP8 block decoding in WebRTC. The contents of the freed block is then treated a pointer, leading to a crash in WebRTC. ==20098==ERROR: AddressSanitizer: heap-use-after-free on address 0x6330000a9491 at pc 0x0000014cde2f bp 0x7ff20616d7e0 sp 0x7ff20616d7d8 READ of size...

envoy/h1_capture_fuzz_test: Heap-use-after-free in Envoy::FakeConnectionBase::close

Project: https://github.com/envoyproxy/envoy.git Detailed report: https://oss-fuzz.com/testcase?key=6204353017806848 Project: envoy Fuzzer: libFuzzerenvoyh1capturefuzztest Fuzz target binary: h1capturefuzztest Job Type: libfuzzerasanenvoy Platform Id: linux Crash Type: Heap-use-after-free READ 1...

Internet Bug Bounty: CVE-2018-6797: A crafted regular expression can cause a heap buffer write overflow in Perl 5 giving a remote attacker control over bytes written

An attacker supplies a regular expression containing one or more \xDF characters after an escape putting the regexp into unicode matching mode, such as a \N escape. Each \xDF character adds one byte of overflow, and any other text in the regular expression is written in order, providing the...

chakra: Crash in Js::JavascriptOperators::CallSetter

Project: https://github.com/Microsoft/ChakraCore.git Detailed report: https://oss-fuzz.com/testcase?key=6252776083423232 Project: chakra Fuzzer: jsfuzzer Job Type: asanchakra Platform Id: linux Crash Type: UNKNOWN READ Crash Address: 0x441f0f000430 Crash State: Js::JavascriptOperators::CallSetter...

ffmpeg/ffmpeg_AV_CODEC_ID_FIC_fuzzer: Heap-buffer-overflow in fic_decode_frame

Project: https://git.ffmpeg.org/ffmpeg.git Detailed report: https://oss-fuzz.com/testcase?key=6317064647081984 Project: ffmpeg Fuzzer: aflffmpegAVCODECIDFICfuzzer Fuzz target binary: ffmpegAVCODECIDFICfuzzer Job Type: aflasanffmpeg Platform Id: linux Crash Type: Heap-buffer-overflow READ Crash...

chakra: Crash in Js::JavascriptOperators::CallGetter

Project: https://github.com/Microsoft/ChakraCore.git Detailed report: https://oss-fuzz.com/testcase?key=5678752915783680 Project: chakra Fuzzer: jsfuzzer Job Type: asanchakra Platform Id: linux Crash Type: UNKNOWN READ Crash Address: 0x20007fff8001 Crash State: Js::JavascriptOperators::CallGetter...

chakra: Heap-use-after-free in WScriptJsrt::LoadScript

Project: https://github.com/Microsoft/ChakraCore.git Detailed report: https://oss-fuzz.com/testcase?key=6600142003109888 Project: chakra Fuzzer: jsfuzzer Job Type: asanchakra Platform Id: linux Crash Type: Heap-use-after-free READ 2 Crash Address: 0x61100001c300 Crash State: WScriptJsrt::LoadScri...

WebKit - WebCore::FrameView::clientToLayoutViewportPoint Use-After-Free

WebKit - WebCore::FrameView::clientToLayoutViewportPoint Use-After-Free function jsfuzzer var b = document.createElement"body"; a.appendb; ta.autofocus = true; var iframe = document.createElement"iframe"; b.appendChildiframe; li.appendChilddd; iframe.contentDocument.caretRangeFromPoint; function...

WebKit - 'WebCore::FrameView::clientToLayoutViewportPoint' Use-After-Free

function jsfuzzer var b = document.createElement"body"; a.appendb; ta.autofocus = true; var iframe = document.createElement"iframe"; b.appendChildiframe; li.appendChilddd; iframe.contentDocument.caretRangeFromPoint; function eventhandler ta.insertAdjacentElement"beforeBegin",a; ::operator...

chakra: Crash in Js::JavascriptError::Is

Project: https://github.com/Microsoft/ChakraCore.git Detailed report: https://oss-fuzz.com/testcase?key=6196917705900032 Project: chakra Fuzzer: jsfuzzer Job Type: asanchakra Platform Id: linux Crash Type: UNKNOWN READ Crash Address: 0x00107fff8004 Crash State: Js::JavascriptError::Is...