CVE-2016-6878

The Curve25519 code in botan before 1.11.31, on systems without a native 128-bit integer type, might allow attackers to have unspecified impact via vectors related to undefined behavior, as demonstrated on 32-bit ARM systems compiled by Clang...

CVE-2016-6878

The Curve25519 code in botan before 1.11.31, on systems without a native 128-bit integer type, might allow attackers to have unspecified impact via vectors related to undefined behavior, as demonstrated on 32-bit ARM systems compiled by Clang...

CVE-2016-6878

The CVE-2016-6878 issue affects Botan’s Curve25519 implementation prior to version 1.11.31. On systems without a native 128‑bit integer type, the code may trigger undefined behavior leading to unspecified impact, demonstrated on 32‑bit ARM systems compiled with Clang. Affected component: Curve255...

CVE-2016-6878

The Curve25519 code in botan before 1.11.31, on systems without a native 128-bit integer type, might allow attackers to have unspecified impact via vectors related to undefined behavior, as demonstrated on 32-bit ARM systems compiled by Clang...

macOS/IOS: mach_msg doesn't copy memory in a certain case(CVE-2017-2456)

When sending ool memory via |machmsg| with |deallocate| flag or |MACHMSGVIRTUALCOPY| flag, |machmsg| performs moving the memory to the destination process instead of copying it. But it doesn't consider the memory entry object that could resurrect the moved memory. As a result, it could lead to a...

shopify-scripts: SIGSEGV in mrb_vm_exec

PoC ------------------- The following code triggers the bug attached as testmrbvmexec.rb: def methodmissingmeth,argsyieldmeth,argsend enumfor.next Debug - mirb ------------------- x@x:/Desktop/test/mruby/bin$ gdb -q ./mirb rReading symbols from ./mirb...done. gdb r testmrbvmexec.rb Starting...

shopify-scripts: SIGSEGV in mrb_str_inum

PoC ------------------- The following code triggers the bug attached as testmrbstrinum.rb: def methodmissingfalse end def tostr""end Integerÿ,2.h Debug - mirb ------------------- x@x:/Desktop/test/mruby/bin$ gdb -q ./mirb r Reading symbols from ./mirb...idone. gdb r testmrbstrinum.rb Starting...

shopify-scripts: SIGSEGV in mrb_class

PoC ------------------- Attached as testmrbclass.rb: Debug - mirb ------------------- Program received signal SIGSEGV, Segmentation fault. 0x0000000000402ef2 in mrbclass mrb=0x6b0010, v=... at /home/x/Desktop/test/mruby/include/mruby/class.h:50 50 return mrbobjptrv-c; gdb l 45 case MRBTTCPTR: 46...

shopify-scripts: SIGSEGV in mrb_vm_exec

PoC ------------------- The following code triggers the bug attached as testmrbvmexec.rb: s=proc|f,g,x|fxgx.curry k=proc|x,y|x.curry i=proc|x|x.curry fi0= re0=proc|x|fi0.size;x.curry ssiiki0sskssksssksskskre0skskkksksk Debug - mirb ------------------- x@x:/Desktop/test/mruby/bin$ gdb -q ./mirb...

shopify-scripts: SIGSEGV in str_buf_cat

PoC ------------------- Attached as teststrbufcat.rb Debug - mirb ------------------- Program received signal SIGSEGV, Segmentation fault. memcpysse2unaligned at ../sysdeps/x8664/multiarch/memcpy-sse2-unaligned.S:36 36 ../sysdeps/x8664/multiarch/memcpy-sse2-unaligned.S: No such file or directory...

shopify-scripts: SIGSEGV - mrb_vm_exec - line:1312

PoC ------------------- The following code triggers the bug attached as mrbvmexec.rb: n s s k h GC.start ObjectSpace.eachobject|obj|obj Debug - mirb ------------------- gdb r mrbvmexec.rb The program being debugged has been started already. Start it from the beginning? y or n y Starting program:...

shopify-scripts: SIGSEGV - mrb_obj_extend - line:413

PoC: ------------------- The following code triggers the bug attached as testmrbobjextend413.rb: module Test end def methodmissingsextendTestend def setva.set0end set0 Mirb - Debug: ------------------- gdb r testmrbobjextend413.rb The program being debugged has been started already. Start it from...

shopify-scripts: SIGSEGV - mrb_vm_exec - line:1681

PoC: ------------------- The following code triggers the bug attached as testmrbvmexec1681.rb: def try yield ensure yield end a=lambda do a.try do return end end.call Mirb - Debug: ------------------- gdb r testmrbvmexec1678.rb The program being debugged has been started already. Start it from th...

Fuzzer for Individual Method Parameters: RamFuzz

Fuzzer for Individual Method Parameters RamFuzz is a fuzzer for individual method parameters in unit tests. A unit test can use RamFuzz to generate random parameter values for methods under test. The values are logged, and the log can be replayed to repeat the exact same test scenario. But RamFuz...

shopify-scripts: SIGSEGV - mrb_check_intern_str() - NullPointer

PoC --------------------- The following code triggers the bug attached as mrbvmexec.rb: def tostr $s.replace""end $s="" class Test00espondTo end Test00espondTo.respondto?0 Crash - mirb --------------------- x@x:/Desktop/research/mruby/bin$ ./mirb mrbcheckinternstr.rb mirb - Embeddable Interactive...

What the Fuzz: Radamsa

What the Fuzz: Radamsa Radamsa is a test case generator for robustness testing, a.k.a. a fuzzer. It is typically used to test how well a program can withstand malformed and potentially malicious inputs. It works by reading sample files of valid data and generating interestingly different outputs...

Apple OS XiOS Kernel - IOSurface Use-After-Free

Apple OS XiOS Kernel - IOSurface Use-After-Free Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=831 IOSurfaceRootUserClient stores a task struct pointer passed in via IOServiceOpen in the field at +0xf0 without taking a reference. By killing the corrisponding task we can free th...

Internet Bug Bounty: PHP Integer Overflow in gdImageWebpCtx

PHP Integer Overflow in gdImageWebpCtx 1. Affected Version + PHP 7.0.10 2. Credit This vulnerability was discovered by Ke Liu of Tencent's Xuanwu LAB. 3. Testing Environments + OS: Ubuntu + PHP: 7.0.10 + Compiler: Clang + CFLAGS: -g -O0 -fsanitize=address 4. PoC 5. Vulnerability Details...

Internet Bug Bounty: CVE-2016-7418 PHP Out-Of-Bounds Read in php_wddx_push_element

CVE-2016-7418 PHP Out-Of-Bounds Read in phpwddxpushelement 1. Affected Version + PHP 7.0.10 + PHP 5.6.25 2. Credit This vulnerability was discovered by Ke Liu of Tencent's Xuanwu LAB. 3. Testing Environments + OS: Ubuntu + PHP: 7.0.10 + Compiler: Clang + CFLAGS: -g -O0 -fsanitize=address 4. PoC...

Internet Bug Bounty: CVE-2016-3183 OpenJPEG sycc422_to_rgb Out-of-Bounds Read Vulnerability

CVE-2016-3183 OpenJPEG sycc422torgb Out-of-Bounds Read Vulnerability 1. About OpenJPEG OpenJPEG is an open-source JPEG 2000 codec written in C language. It's widely used in lots of Linux OSes such as Ubuntu, RedHat, Debian, Fedora, and so on. The official repository of the OpenJPEG project is...