ALEA-2021:4233 llvm-toolset:rhel8 bug fix and enhancement update

LLVM Toolset provides the LLVM compiler infrastructure framework, the Clang compiler for the C and C++ languages, the LLDB debugger, and related tools for code analysis. For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. For...

llvm-toolset:rhel8 bug fix and enhancement update

LLVM Toolset provides the LLVM compiler infrastructure framework, the Clang compiler for the C and C++ languages, the LLDB debugger, and related tools for code analysis. For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. For...

PT-2021-1459

Name of the Vulnerable Software and Affected Versions LLVM Toolset affected versions not specified Description The issue concerns the LLVM Toolset, which includes the LLVM compiler infrastructure framework, the Clang compiler for the C and C++ languages, the LLDB debugger, and related tools for...

llvm-toolset:rhel8 bug fix update

An update is available for compiler-rt, lldb, lld, llvm, llvm-toolset, clang, libomp, python-lit. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list LLVM Toolset...

lldb-eval:lldb_vs_lldb_eval_libfuzzer_test: Heap-buffer-overflow in llvm::DataLayout::getIndexedOffsetInType

Detailed Report: https://oss-fuzz.com/testcase?key=5041897088352256 Project: lldb-eval Fuzzing Engine: libFuzzer Fuzz Target: lldbvslldbevallibfuzzertest Job Type: libfuzzerasanlldb-eval Platform Id: linux Crash Type: Heap-buffer-overflow READ 4 Crash Address: 0x60e000053c80 Crash State:...

Apple macOS < 10.14.5 / iOS < 12.3 JavaScriptCore - Loop-Invariant Code Motion (LICM) in DFG JIT Leaves Stack Variable Uninitialized

While fuzzing JavaScriptCore, I encountered the following modified and commented JavaScript program which crashes jsc from current HEAD and release: // Run with --useConcurrentJIT=false // Fill the stack with the return value of the provided function. function stacksprayf // This function will...

Google Software Updater macOS - Unsafe use of Distributed Objects Privilege Escalation

Google Software Updater macOS - Unsafe use of Distributed Objects Privilege Escalation / Google software updater ships with Chrome on MacOS and installs a root service com.google.Keystone.Daemon.UpdateEngine which lives here:...

Based on jemalloc Android exploit skills----CENSUS-bug warning-the black bar safety net

Background description jemalloc-related research argp and huku in 2012 in Phrack published on: jemalloc memory allocator a separate use of themade-based on FreeBSD libc POC. argp and huku in 2012 BlackHat published: in Firefo play bad jemalloc metadata. argp in 2015 INFILTRATE on jemalloc exploit...

shopify-scripts: Segmentation fault due to bad memory access in kh_get_mt

Crash file is: values=0,0,0,0 unusedbutneeded= Hash= values.each do values.each do values & values.each do values.each do % 0=nil end end end end $ ./dev/bin/mruby crash.rb Segmentation fault: 11 $ lldb ./dev/bin/mruby crash.rb lldb target create "./dev/bin/mruby" Current executable set to...

shopify-scripts: Invalid memory write caused by incorrect upper bound in array_copy

Ok, here is a weird one! It only crashes in mruby, and can't be made to crash in mruby-engine as max memory possible to extend to is 256M which this requires more. The file is: values = 3,5,8 test = 1,6 results,= 1.2 values.each do |value| case value when test results 0x10000222d : movq %rdx, %ra...

Extensible Debugger UI For Hackers: Voltron

Voltron is an extensible debugger UI toolkit written in Python. It aims to improve the user experience of various debuggers LLDB, GDB, VDB and WinDbg by enabling the attachment of utility views that can retrieve and display data from the debugger host. By running these views in other TTYs, you ca...

Apple Mac OSX 10.11 - FTS Deep Structure of the FileSystem Buffer Overflow

MacOS X 10.11 FTS Deep structure of the file system Buffer Overflow Credit: Maksymilian Arciemowicz CXSECURITY Website: http://cxsecurity.com/ http://cert.cx/ Affected software: - MACOS's Commands such as: ls, find, rm - iPhone 4s and later, - Apple Watch Sport, Apple Watch, Apple Watch Edition a...

Mac OS X 10.11 FTS Deep Structure of the File System Buffer Overflow Exploit

Mac OS X version 10.11 suffered from an FTS deep structure of the file system buffer overflow vulnerability. MacOS X 10.11 FTS Deep structure of the file system Buffer Overflow Credit: Maksymilian Arciemowicz CXSECURITY Website: http://cxsecurity.com/ http://cert.cx/ Affected software: - MACOS's...

Mac OS X 10.11 FTS Buffer Overflow

MacOS X 10.11 FTS Deep structure of the file system Buffer Overflow Credit: Maksymilian Arciemowicz CXSECURITY Website: http://cxsecurity.com/ http://cert.cx/ Affected software: - MACOS's Commands such as: ls, find, rm - iPhone 4s and later, - Apple Watch Sport, Apple Watch, Apple Watch Edition a...

OS X Regex Engine (TRE) - Stack Buffer Overflow Vulnerability

Exploit for macOS platform in category dos / poc Source: https://code.google.com/p/google-security-research/issues/detail?id=428 OS X Libc uses the slightly obscure TRE regex engine http://laurikari.net/tre/ If used in enhanced mode by passing the REGENHANCED flag to regcomp TRE supports...

Apple Mac OSX Regex Engine (TRE) - Stack Buffer Overflow (PoC)

Apple Mac OSX Regex Engine TRE - Stack Buffer Overflow PoC Source: https://code.google.com/p/google-security-research/issues/detail?id=428 OS X Libc uses the slightly obscure TRE regex engine http://laurikari.net/tre/ If used in enhanced mode by passing the REGENHANCED flag to regcomp TRE support...

Apple Mac OSX Regex Engine (TRE) - Stack Buffer Overflow (PoC)

Source: https://code.google.com/p/google-security-research/issues/detail?id=428 OS X Libc uses the slightly obscure TRE regex engine http://laurikari.net/tre/ If used in enhanced mode by passing the REGENHANCED flag to regcomp TRE supports arbitrary-width hex literals. Here is the code used to...

PHP DateTime Use After Free Vulnerability

Exploit for php platform in category dos / poc Use After Free Vulnerability in unserialize with DateTime CVE-2015-0273 Taoguang Chen - Write Date: 2015.1.29 - Release Date: 2015.2.20 A use-after-free vulnerability was discovered in unserialize with DateTime/DateTimeZone/DateInterval/DatePeriod...