Internet Bug Bounty: pngcrush double-free/segfault could result in DoS (CVE-2015-7700)

All versions of pngcrush pmt.sourceforge.net/pngcrush prior to version 1.7.87 have a double-free segfault that can be triggered by reading a valid PNG file that contains the sPLT chunk. This bug has been fixed in 1.7.87 by the project maintainer. Persuading someone to run pngcrush with a valid PN...

Oracle: Security Advisory (ELSA-2015-1668)

The remote host is missing an update for the SPDX-FileCopyrightText: 2015 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Android libstagefright - Integer Overflow Remote Code Execution

Exploit for Android platform in category remote exploits !/usr/bin/python2 import cherrypy import os import pwnlib.asm as asm import pwnlib.elf as elf import sys import struct with open'shellcode.bin', 'rb' as tmp: shellcode = tmp.read while lenshellcode % 4 != 0: shellcode += '\x00' heap groomin...

Stagefrightened?

Posted by Mark Brand, Bypasser of Mitigations There’s been a lot of attention recently around a number of vulnerabilities in Android’s libstagefright. There’s been a lot of confusion about the remote exploitability of the issues, especially on modern devices. In this blog post we will demonstrate...

Microsoft Office 2007 - OLESSDirectyEntry.CreateTime Type Confusion

Source: https://code.google.com/p/google-security-research/issues/detail?id=465 The following crash was observed in Microsoft Office 2007 with Microsoft Office File Validation Add-In disabled and Application Verifier enabled for testing and reproduction. This bug did not reproduce in Office 2010 ...

FFmpeg Denial of Service Vulnerability (CNVD-2015-05845)

FFmpeg is a complete solution for recording, converting and streaming audio and video from the FFmpeg team. A security vulnerability exists in the 'decodeihdrchunk' function in the libavcodec/pngdec.c file in versions of FFmpeg prior to 2.7.2, which can be exploited by remote attackers to cause a...

DEBIAN-CVE-2015-6818

The decodeihdrchunk function in libavcodec/pngdec.c in FFmpeg before 2.7.2 does not enforce uniqueness of the IHDR aka image header chunk in a PNG image, which allows remote attackers to cause a denial of service out-of-bounds array access or possibly have unspecified other impact via a crafted...

CVE-2015-6818

The decodeihdrchunk function in libavcodec/pngdec.c in FFmpeg before 2.7.2 does not enforce uniqueness of the IHDR aka image header chunk in a PNG image, which allows remote attackers to cause a denial of service out-of-bounds array access or possibly have unspecified other impact via a crafted...

Oracle Linux 7 : httpd (ELSA-2015-1667)

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2015-1667 advisory. - core: fix chunk header parsing defect CVE-2015-3183 Tenable has extracted the preceding description block directly from the Oracle Linux security...

UBUNTU-CVE-2015-6242

The wmemblocksplitfreechunk function in epan/wmem/wmemallocatorblock.c in the wmem block allocator in the memory manager in Wireshark 1.12.x before 1.12.7 does not properly consider a certain case of multiple realloc operations that restore a memory chunk to its original size, which allows remote...

httpd security update

2.2.15-47.0.1 - replace index.html with Oracle's index page oracleindex.html - update vstring in specfile 2.2.15-47 - fix regressions caused by fix for CVE-2015-3183 2.2.15-46 - core: fix chunk header parsing defect CVE-2015-3183...

httpd security update

2.4.6-31.0.1.el71.1 - replace index.html with Oracle's index page oracleindex.html 2.4.6-31.1 - core: fix chunk header parsing defect CVE-2015-3183 - core: replace of apsomeauthrequired with apsomeauthnrequired and apforceauthn hook CVE-2015-3185...

Microsoft Office 2007 - MSPTLS Heap Index Integer Underflow (MS15-081)

Microsoft Office 2007 - MSPTLS Heap Index Integer Underflow MS15-081 Source: https://code.google.com/p/google-security-research/issues/detail?id=431&can=1 The following crash was observed in Microsoft Office 2007 with Microsoft Office File Validation Add-In disabled and Application Verifier enabl...

CVE-2015-4479

Multiple integer overflows in libstagefright in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 allow remote attackers to execute arbitrary code via a crafted saio chunk in MPEG-4 video data...

Heap overflow

Heap-based buffer overflow in the stagefright::ESDS::parseESDescriptor function in libstagefright in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 allows remote attackers to execute arbitrary code via an invalid size field in an esds chunk in MPEG-4 video data, a related issue to...

CVE-2015-4493

Heap-based buffer overflow in the stagefright::ESDS::parseESDescriptor function in libstagefright in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 allows remote attackers to execute arbitrary code via an invalid size field in an esds chunk in MPEG-4 video data, a related issue to...

Mozilla: Overflow issues in libstagefright (MFSA 2015-83)

Multiple integer overflows in libstagefright in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 allow remote attackers to execute arbitrary code via a crafted saio chunk in MPEG-4 video data...

UBUNTU-CVE-2015-4479

Multiple integer overflows in libstagefright in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 allow remote attackers to execute arbitrary code via a crafted saio chunk in MPEG-4 video data...

USN-2686-1 apache2 vulnerabilities

It was discovered that the Apache HTTP Server incorrectly parsed chunk headers. A remote attacker could possibly use this issue to perform HTTP request smuggling attacks. CVE-2015-3183 It was discovered that the Apache HTTP Server incorrectly handled the apsomeauthrequired API. A remote attacker...

Heap overflow unlink using the method-vulnerability warning-the black bar safety net

0x01 the first part of the First a brief introduction about the heap chunk structure We may be in malloc. c is found on the heap chunk structure of the code struct mallocchunk INTERNALSIZET prevsize; / Size of previous chunk if free. / INTERNALSIZET size; / Size in bytes, including overhead. /...