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Files from Hans Jerry Illikainen

Email addresshji at dyntopia.com
First Active2015-12-17
Last Active2017-12-17
VLC 2.2.8 MP4 Demux Type Conversion
Posted Dec 17, 2017
Authored by Hans Jerry Illikainen

VLC versions 2.2.8 and below suffer from a type conversion vulnerability in the MP4 demux module.

tags | advisory
advisories | CVE-2017-17670
SHA-256 | 517f22e30a6a226acec48ea2f884e2b4a520164bd32f90f3aac8dc1b5d910d2a
Mozilla Firefox nsHtml5TreeBuilder Use-After-Free
Posted Aug 20, 2017
Authored by Hans Jerry Illikainen, ca0nguyen

Mozilla Firefox versions prior to 45 nsHtml5TreeBuilder use-after-free exploit with EMET 5.52 bypass.

tags | exploit
advisories | CVE-2016-1960
SHA-256 | 333946e7ca06d81ae2d307bc815670be8aa0ddc2fbf9b0b1f1f7c0f8811ed350
PHP LibGD Heap Buffer Overflow
Posted Jan 17, 2017
Authored by Hans Jerry Illikainen

Proof of concept exploit for CVE-2016-3074 targeting Ubuntu 15.10 x86-64 with php5-gd and php5-fpm running behind nginx.

tags | exploit, overflow, x86, proof of concept
systems | linux, ubuntu
advisories | CVE-2016-3074
SHA-256 | ce82b05af66a6cc890010631b025d315ce68856b73a262d38038ee440aded59d
PHP 7.0.8 / 5.6.23 / 5.5.37 bzread() OOB Write
Posted Jul 21, 2016
Authored by Hans Jerry Illikainen

PHP versions 7.0.8, 5.6.23, and 5.5.37 suffers from an out-of-bounds write vulnerability in bzread().

tags | exploit, php
advisories | CVE-2016-5399
SHA-256 | 7111a3aeb099e5121e1419ef1d6496905a8379d4ecf9926707c9684242505445
PHP 7.x Heap Overflow
Posted Apr 28, 2016
Authored by Hans Jerry Illikainen

An integer wrap may occur in PHP 7.x before version 7.0.6 when reading zip files with the getFromIndex() and getFromName() methods of ZipArchive, resulting in a heap overflow. Full exploit included.

tags | exploit, overflow, php
advisories | CVE-2016-3078
SHA-256 | e8c95e113360c07e5f57ee1a402ad502f85525d7f354dd5b76ad74e45439655d
libgd 2.1.1 Signedness
Posted Apr 21, 2016
Authored by Hans Jerry Illikainen

A signedness vulnerability exists in libgd version 2.1.1 which may result in a heap overflow when processing compressed gd2 data.

tags | exploit, overflow
advisories | CVE-2016-3074
SHA-256 | 3a2ce455a8601a1585ae58c370524696afc5c9cf036efab381d9622a8c9decf1
Optipng Invalid Write
Posted Apr 5, 2016
Authored by Hans Jerry Illikainen

An invalid write may occur in optipng before version 0.7.6 while processing bitmap images due to `crt_row' being (inc|dec)remented without any boundary checking when encountering delta escapes.

tags | advisory
advisories | CVE-2016-2191
SHA-256 | 1bd3364babf6e41d15227faa39e310e80239d98d93e06b8da20ca014c7705af3
libtiff 4.0.6 Invalid Write
Posted Dec 27, 2015
Authored by Hans Jerry Illikainen

_TIFFVGetField() in libtiff version 4.0.6 may write field data for certain extension tags to invalid or possibly arbitrary memory locations.

tags | advisory, arbitrary
advisories | CVE-2015-7554
SHA-256 | 1e6ba94ed422d819e50f84dc63c80b976bb75c2ad64a24ec1ea61f3243511591
giflib 5.1.1 Heap Overflow
Posted Dec 22, 2015
Authored by Hans Jerry Illikainen

A heap overflow may occur in the giffix utility included in giflib-5.1.1 when processing records of the type IMAGE_DESC_RECORD_TYPE due to the allocated size of LineBuffer equaling the value of the logical screen width, GifFileIn->SWidth, while subsequently having GifFileIn->Image.Width bytes of data written to it.

tags | advisory, overflow
advisories | CVE-2015-7555
SHA-256 | 14b8a675aca0e489675c477775d6737f0d432c6edb938c10feaa6a0bb0c1e016
Libnsbmp 0.1.2 Heap Overflow / Out-Of-Bounds Read
Posted Dec 17, 2015
Authored by Hans Jerry Illikainen

Libnsbmp version 0.1.2 suffers from heap overflow and out-of-bounds read vulnerabilities.

tags | advisory, overflow, vulnerability
advisories | CVE-2015-7507, CVE-2015-7508
SHA-256 | c0939b0e25b9fa643a0b63b47d68e7bdfab3e7978f4d2f6956a53d8dd28806ec
Libnsgif 0.1.2 Stack Overflow / Out-Of-Bounds Read
Posted Dec 17, 2015
Authored by Hans Jerry Illikainen

Libnsgif version 0.1.2 suffers from stack overflow and out-of-bounds read vulnerabilities.

tags | advisory, overflow, vulnerability
advisories | CVE-2015-7505, CVE-2015-7506
SHA-256 | d53a9d5fac2511420bc71e8fceb0367db6d018335d2f3c8a2c530b88f9f9e266
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