Internet Bug Bounty: Heap overflow in utf32be_mbc_to_code

https://bugs.php.net/bug.php?id=77418 Buffer overflow in mbctocode functions for UTF32BE, UTF32LE, UTF16BE, and UTF16LE due to incorrect length assumptions of a buffer. Provided a patch that was adapted to check the length of the buffer prior to using it. Impact Memory leakage and/or corruption...

Zero Trust and the Case for Application Microsegmentation

Data breaches have become incessant. Recently, a very popular airline sevices company revealed a suspected breach involving customer credit card information. Even more recently, a hospital in Indiana reported that a virus had infected some of its systems that caused the hospital to be placed on...

Drawing Outside the Box: Precision Issues in Graphic Libraries

By Mark Brand and Ivan Fratric, Google Project Zero In this blog post, we are going to write about a seldom seen vulnerability class that typically affects graphic libraries though it can also occur in other types of software. The root cause of such issues is using limited precision arithmetic in...

CVE-2018-1113

setup before version 2.11.4-1.fc28 in Fedora and Red Hat Enterprise Linux added /sbin/nologin and /usr/sbin/nologin to /etc/shells. This violates security assumptions made by pamshells and some daemons which allow access based on a user's shell being listed in /etc/shells. Under some circumstance...

CVE-2018-7159

The HTTP parser in all current versions of Node.js ignores spaces in the Content-Length header, allowing input such as Content-Length: 1 2 to be interpreted as having a value of 12. The HTTP specification does not allow for spaces in the Content-Length value and the Node.js HTTP parser has been...

Input validation

DISPUTED The Bitcoin Proof-of-Work algorithm does not consider a certain attack methodology related to 80-byte block headers with a variety of initial 64-byte chunks followed by the same 16-byte chunk, multiple candidate root values ending with the same 4 bytes, and calculations involving sqrt...

CVE-2017-9230

The Bitcoin Proof-of-Work algorithm does not consider a certain attack methodology related to 80-byte block headers with a variety of initial 64-byte chunks followed by the same 16-byte chunk, multiple candidate root values ending with the same 4 bytes, and calculations involving sqrt numbers. Th...

CVE-2017-9230

The Bitcoin Proof-of-Work algorithm does not consider a certain attack methodology related to 80-byte block headers with a variety of initial 64-byte chunks followed by the same 16-byte chunk, multiple candidate root values ending with the same 4 bytes, and calculations involving sqrt numbers. Th...

PT-2017-18795 · Bitcoin · Bitcoind

Name of the Vulnerable Software and Affected Versions: Bitcoin affected versions not specified Description: The Bitcoin Proof-of-Work algorithm has an issue related to 80-byte block headers with varying initial 64-byte chunks followed by the same 16-byte chunk, and multiple candidate root values...

Ubuntu: Security Advisory (USN-3265-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2017 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...

Oracle Java jp2launcher.exe Privilege Escalation Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Oracle Java. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of path...

Fedora 20 : asterisk-11.8.1-1.fc20 (2014-3762)

The Asterisk Development Team has announced security releases for Certified Asterisk 1.8.15, 11.6, and Asterisk 1.8, 11, and 12. The available security releases are released as versions 1.8.15-cert5, 11.6-cert2, 1.8.26.1, 11.8.1, and 12.1.1. These releases are available for immediate download at...

Outdated Assumptions

The term “targeted attack” gets thrown around an awful lot nowadays. In fact I’m guessing you’ll be hard pressed to find many public breach disclosures that make it to the news that aren’t labeled as having been “targeted”. It reminds me of an important quote from the character Inigo Montoya in T...

How Assumptions May Be Making Us All Less Secure

In the space of a given year, untold thousands of vulnerabilities are found in operating systems, applications and plug-ins. In many cases, the affected vendors fix the flaws, either with a patch, a workaround or some other mitigation. But there’s also a huge population of security bugs that...

CVE-2002-1571

The linux 2.4 kernel before 2.4.19 assumes that the fninit instruction clears all registers, which could lead to an information leak on processors that do not clear all relevant SSE registers...