Dnsmasq 2.78 - Integer Underflow

Dnsmasq 2.78 - Integer Underflow ''' Sources: https://raw.githubusercontent.com/google/security-research-pocs/master/vulnerabilities/dnsmasq/CVE-2017-14496.py https://security.googleblog.com/2017/10/behind-masq-yet-more-dns-and-dhcp.html dnsmasq is vulnerable only if one of the following option i...

Dnsmasq < 2.78 - Stack-Based Overflow Exploit

Exploit for multiple platform in category dos / poc ''' Sources: https://raw.githubusercontent.com/google/security-research-pocs/master/vulnerabilities/dnsmasq/CVE-2017-14493.py https://security.googleblog.com/2017/10/behind-masq-yet-more-dns-and-dhcp.html 1 Build the docker and open two terminal...

Internet Bug Bounty: Denial of service in libxml2, using malicious lzma file to consume available system memory

Reported to the libxml2 devs on 23 August 2017 Patched on 7 September 2017 It was discovered through fuzzing that malicious LZMA compressed files could consume large amounts of memory when decompressed thus posing a DoS risk. I am unsure if a CVE will be assigned in this case. od -tx1 ./test000...

Internet Bug Bounty: CVE-2017-13010 The BEEP parser in tcpdump before 4.9.2 has a buffer over-read in print-beep.c:l_strnstart().

Reported to the devs on 6 March 2017. Tcpdump 4.9.2 released on 8 September 2017. Patch: https://github.com/the-tcpdump-group/tcpdump/commit/877b66b398518d9501513e0860c9f3a8acc70892 The BEEP parser in tcpdump before 4.9.2 has a buffer over-read in print-beep.c:lstrnstart. ./tcpdump -n -r test005...

Internet Bug Bounty: CVE-2017-13009 The IPv6 mobility parser in tcpdump before 4.9.2 has a buffer over-read in print-mobility.c:mobility_print().

Reported to the devs on 6 March 2017. Tcpdump 4.9.2 released on 8 September 2017. Patch: https://github.com/the-tcpdump-group/tcpdump/commit/db8c799f6dfc68765c9451fcbfca06e662f5bd5f The IPv6 mobility parser in tcpdump before 4.9.2 has a buffer over-read in print-mobility.c:mobilityprint. ./tcpdum...

Internet Bug Bounty: CVE-2017-12985: The IPv6 parser in tcpdump before 4.9.2 has a buffer over-read in ip6_print()

Reported to the devs on 4 February 2017. Tcpdump 4.9.2 released on 8 September 2017. Patch: https://github.com/the-tcpdump-group/tcpdump/commit/66df248b49095c261138b5a5e34d341a6bf9ac7f The IPv6 parser in tcpdump before 4.9.2 has a buffer over-read in print-ip6.c. ./tcpdump -nr test003 reading fro...

OpenJPEG - mqc.c Heap-Based Buffer Overflow Exploit

Exploit for linux platform in category dos / poc DESCRIPTION An Out-of-Bounds Write issue can be occurred in function opjmqcbyteout of mqc.c during executing opjcompress. This issue was caused by a malformed BMP file. CREDIT This vulnerability was discovered by Ke Liu of Tencent's Xuanwu LAB...

OpenJPEG - mqc.c Heap Buffer Overflow

OpenJPEG - mqc.c Heap Buffer Overflow DESCRIPTION An Out-of-Bounds Write issue can be occurred in function opjmqcbyteout of mqc.c during executing opjcompress. This issue was caused by a malformed BMP file. CREDIT This vulnerability was discovered by Ke Liu of Tencent's Xuanwu LAB. TESTED VERSION...

Internet Bug Bounty: CVE-2017-12858: Heap UAF in _zip_buffer_free() / Double free in _zip_dirent_read()

libzip is a C library for reading, creating, and modifying zip archives. A partial list of projects using libzip include: Plex Home Theater, MySQL Workbench, ckmame, fuse-zip, lua-zip, php zip extension, zipruby, Endeavour2, FreeDink, DeaDBeeF vfszip plugin, OpenLierox, ebook-tools, PDF Expert,...

libreoffice: Crash in SVBT16ToShort

Project: git://anongit.freedesktop.org/libreoffice/core Detailed report: https://oss-fuzz.com/testcase?key=4647189592670208 Project: libreoffice Fuzzer: libFuzzerlibreofficeww8fuzzer Fuzz target binary: ww8fuzzer Job Type: libfuzzerasanlibreoffice Platform Id: linux Crash Type: UNKNOWN READ Crash...

WebKit: use-after-free in WebCore::AccessibilityNodeObject::textUnderElement(CVE-2017-7048)

There is a use-after-free security vulnerability in WebKit. The vulnerability was confirmed on ASan build of WebKit nightly. Note that accessibility features need to be enabled in order to trigger this bug. On Safari on Mac this can be accomplished by opening the inspector simply opening the...

WebKit: use-after-free in WebCore::Node::nextSibling(CVE-2017-7039)

There is a use-after-free security vulnerability in WebKit. The vulnerability was confirmed on ASan build of WebKit nightly. PoC: ================================================================= function freememory var a; forvar i=0;i...

WebKit WebCore::Node::getFlag Use-After-Free

WebKit: use-after-free in WebCore::Node::getFlag CVE-2017-7041 There is a use-after-free security vulnerability in WebKit. The vulnerability was confirmed on ASan build of WebKit nightly. PoC note that you might need to refresh a page a couple of times to trigger the bug:...

WebKit - WebCore::RenderSearchField::addSearchResult Heap Buffer Overflow Exploit

Exploit for multiple platform in category dos / poc function go i.value = "1"; i.type = "search"; f.submit; ::buffer /Users/projectzero/webkit/webkit/WebKitBuild/Release/WebCore.framework/Versions/A/WebCore:x8664+0x2694d46 1 0x116496bed in WTF::Vector::end...

WebKit - WebCore::InputType::element Use-After-Free Exploit

Exploit for multiple platform in category dos / poc var runcount = 0; function go runcount++; ifruncount 2 return; i.type = "foo"; i.select; i.type = "search"; document.onsearch = document.body.onload; document.execCommand"insertHTML", false, ""; !--...

WebKit - 'WebCore::getCachedWrapper' Use-After-Free

function freememory var a; forvar i=0;i ::get const /Users/projectzero/webkit/webkit/WebKitBuild/Release/WebCore.framework/Ver...

WebKit - 'WebCore::InputType::element' Use-After-Free (1)

var runcount = 0; function go runcount++; ifruncount 2 return; i.type = "foo"; i.select; i.type = "search"; document.onsearch = document.body.onload; document.execCommand"insertHTML", false, ""; !-- ================================================================= ASan log:...

Internet Bug Bounty: CVE-2017-10966: Heap-use-after-free in Irssi <1.0.4

35 days after reading https://irssi.org/2017/05/12/fuzzing-irssi/, I was able to trigger a heap-use-after-free in irssi 1.0.2. Timeline: Report to vendor: 16 June 2017 Acknowledge by vendor: 16 June 2017 Fixed by vendor: 7 July 2017 Advisory: http://seclists.org/oss-sec/2017/q3/80 Patch:...

Mapbox: null pointer dereference and segfault in tile-count-merge

This crash was triggered with 642f773 while fuzzing tile-count-merge with AFL on Debian 8 x64. ./tile-count-merge -o /dev/null test000 ASAN:SIGSEGV ================================================================= ==10201==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 pc...

LAME 3.99.5 - II_step_one Buffer Overflow Exploit

Exploit for linux platform in category dos / poc Description: lame is a high quality MPEG Audio Layer III MP3 encoder licensed under the LGPL. Few notes before the details of this bug. Time ago a fuzz was done by Brian Carpenter and Jakub Wilk which posted the results on the debian bugtracker. In...