WebRTC - VP8 Block Decoding Use-After-Free Exploit

Exploit for multiple platform in category dos / poc There is a use-after-free in VP8 block decoding in WebRTC. The contents of the freed block is then treated a pointer, leading to a crash in WebRTC. ==20098==ERROR: AddressSanitizer: heap-use-after-free on address 0x6330000a9491 at pc...

WebRTC - FEC Processing Overflow

WebRTC - FEC Processing Overflow There are several calls to memcpy that can overflow the destination buffer in webrtc::UlpfecReceiverImpl::AddReceivedRedPacket. The method takes a parameter incomingrtppacket, which is an RTP packet with a mac length that is defined by the transport 2048 bytes for...

WebRTC - H264 NAL Packet Processing Type Confusion

WebRTC - H264 NAL Packet Processing Type Confusion Type confusion can occur when processing a H264 packet. In the method PacketBuffer::FindFrames in modules/videocoding/packetbuffer.cc there is a loop on line 296 that goes through the databuffer vector backwards. The flag ish264 is set before thi...

WebRTC - VP8 Block Decoding Use-After-Free

WebRTC - VP8 Block Decoding Use-After-Free There is a use-after-free in VP8 block decoding in WebRTC. The contents of the freed block is then treated a pointer, leading to a crash in WebRTC. ==20098==ERROR: AddressSanitizer: heap-use-after-free on address 0x6330000a9491 at pc 0x0000014cde2f bp...

WebRTC - FEC Processing Overflow

There are several calls to memcpy that can overflow the destination buffer in webrtc::UlpfecReceiverImpl::AddReceivedRedPacket. The method takes a parameter incomingrtppacket, which is an RTP packet with a mac length that is defined by the transport 2048 bytes for DTLS in Chrome. This packet is...

WebRTC - VP8 Block Decoding Use-After-Free

There is a use-after-free in VP8 block decoding in WebRTC. The contents of the freed block is then treated a pointer, leading to a crash in WebRTC. ==20098==ERROR: AddressSanitizer: heap-use-after-free on address 0x6330000a9491 at pc 0x0000014cde2f bp 0x7ff20616d7e0 sp 0x7ff20616d7d8 READ of size...

WebRTC - H264 NAL Packet Processing Type Confusion

Type confusion can occur when processing a H264 packet. In the method PacketBuffer::FindFrames in modules/videocoding/packetbuffer.cc there is a loop on line 296 that goes through the databuffer vector backwards. The flag ish264 is set before this loop, and if it is true, the loop extracts and se...

Security update for Chromium (important)

This update for Chromium to version 68.0.3440.75 fixes multiple issues. Security issues fixed boo1102530: - CVE-2018-6153: Stack buffer overflow in Skia - CVE-2018-6154: Heap buffer overflow in WebGL - CVE-2018-6155: Use after free in WebRTC - CVE-2018-6156: Heap buffer overflow in WebRTC -...

openSUSE Security Update : Chromium (openSUSE-2018-759)

This update for Chromium to version 67.0.3396.99 fixes multiple issues. Security issues fixed bsc1095163 : - CVE-2018-6123: Use after free in Blink - CVE-2018-6124: Type confusion in Blink - CVE-2018-6125: Overly permissive policy in WebUSB - CVE-2018-6126: Heap buffer overflow in Skia -...

Security update for Chromium (important)

This update for Chromium to version 67.0.3396.99 fixes multiple issues. Security issues fixed bsc1095163: - CVE-2018-6123: Use after free in Blink - CVE-2018-6124: Type confusion in Blink - CVE-2018-6125: Overly permissive policy in WebUSB - CVE-2018-6126: Heap buffer overflow in Skia -...

Security update for Chromium (important)

This update for Chromium to version 67.0.3396.99 fixes multiple issues. Security issues fixed bsc1095163: - CVE-2018-6123: Use after free in Blink - CVE-2018-6124: Type confusion in Blink - CVE-2018-6125: Overly permissive policy in WebUSB - CVE-2018-6126: Heap buffer overflow in Skia -...

CVE-2018-6157

Type confusion in WebRTC in Google Chrome prior to 68.0.3440.75 allowed a remote attacker to potentially exploit heap corruption via a crafted video file...

CVE-2018-6156

Incorect derivation of a packet length in WebRTC in Google Chrome prior to 68.0.3440.75 allowed a remote attacker to potentially exploit heap corruption via a crafted video file...

Google Chrome heap buffer overflow vulnerability (CNVD-2018-17043)

Google Chrome is a web browser developed by the American company Google Google. A heap buffer overflow vulnerability exists in WebRTC in Google Chrome. An attacker can exploit the vulnerability to execute arbitrary code in the browser context...

Stable Channel Update for Desktop

The Chrome team is delighted to announce the promotion of Chrome 68 to the stable channel for Windows, Mac and Linux. This will roll out over the coming days/weeks. Chrome 68.0.3440.75 contains a number of fixes and improvements -- a list of changes is available in the log. Watch out for upcoming...

Debian DSA-4237-1 : chromium-browser - security update

Several vulnerabilities have been discovered in the chromium web browser. - CVE-2018-6118 Ned Williamson discovered a use-after-free issue. - CVE-2018-6120 Zhou Aiting discovered a buffer overflow issue in the pdfium library. - CVE-2018-6121 It was discovered that malicious extensions could...

[SECURITY] [DSA 4237-1] chromium-browser security update

------------------------------------------------------------------------- Debian Security Advisory DSA-4237-1 [email protected] https://www.debian.org/security/ Michael Gilbert June 30, 2018 https://www.debian.org/security/faq -...

Microsoft Windows 10: Localhost IP address for WebRTC (Edge)

This test checks the setting for policy OpenVAS Vulnerability Test $Id: winedgelocalhostipwebrtc.nasl 11344 2018-09-12 06:57:52Z emoss $ Check value for Prevent using Localhost IP address for WebRTC Authors: Emanuel Moss Copyright: Copyright c 2018 Greenbone Networks GmbH, http://www.greenbone.ne...

DNS Rebinding Attack: DNS Rebind Toolkit

DNS Rebind Toolkit is a frontend JavaScript framework for developing DNS Rebinding exploits against vulnerable hosts and services on a local area network LAN. It can be used to target devices like Google Home, Roku, Sonos WiFi speakers, WiFi routers, “smart” thermostats, and other IoT devices. Wi...

OpenSSL CVE-2018-0732 Denial of Service Vulnerability

Description OpenSSL is prone to denial-of-service vulnerability. An attacker can exploit this issue to cause a denial-of-service condition. Technologies Affected OpenSSL Project OpenSSL 1.0.2 OpenSSL Project OpenSSL 1.0.2a OpenSSL Project OpenSSL 1.0.2b OpenSSL Project OpenSSL 1.0.2c OpenSSL...