DOSfuscation: Exploring the Depths of Cmd.exe Obfuscation and Detection Techniques

Skilled attackers continually seek out new attack vectors, while employing evasion techniques to maintain the effectiveness of old vectors, in an ever-changing defensive landscape. Many of these threat actors employ obfuscation frameworks for common scripting languages such as JavaScript and...

Hyperbole Swirls Around AMD Processor Security Threat

Maybe it was the exaggerated threats against AMD’s business or the semi-unprofessional way the threats were brought to light but no matter — security start-up CTS-Labs claims of security holes in the chipmaker’s Ryzen and Epic processor lines are now being lambasted across the security community...

CVE-2018-4894

An issue was discovered in Adobe Acrobat Reader 2018.009.20050 and earlier versions, 2017.011.30070 and earlier versions, 2015.006.30394 and earlier versions. This vulnerability occurs as a result of computation that reads data that is past the end of the target buffer; the computation is part of...

CVE-2018-4890

An issue was discovered in Adobe Acrobat Reader 2018.009.20050 and earlier versions, 2017.011.30070 and earlier versions, 2015.006.30394 and earlier versions. This vulnerability is an instance of a heap overflow vulnerability in the image conversion engine, when handling JPEG data embedded within...

Election Security

Good Washington Post op-ed on the need to use voter-verifiable paper ballots to secure elections, as well as risk-limiting audits...

Cyber resilience for the modern enterprise

Many organizations are undergoing a digital transformation that leverages a mix of cloud and on-premises assets to increase business efficiency and growth. While increased dependence on technology is necessary for this transformation, and to position the business for success, it does pose risks...

Debian: Security Advisory (DLA-1054-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2018 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...

Virus Bulletin Publication And Presentation

Virus Bulletin conference is a well regarded intimate technical conference focused on malware research. It provides a good balance between listening to technical talks and spending time exchanging experiences with colleagues from different companies; all working on the same task of making our...

New Research in Invisible Inks

It's a lot more chemistry than I understand: Invisible inks based on "smart" fluorescent materials have been shining brightly if only you could see them in the data-encryption/decryption arena lately.... But some of the materials are costly or difficult to prepare, and many of these inks remain...

Heart Size: Yet Another Biometric

Turns out that heart size doesn't change throughout your adult life, and you can use low-level Doppler radar to scan the size -- even at a distance -- as a biometric. Research paper to be available soon...

Foxit Reader Buffer Overflow Vulnerability (CNVD-2017-36065)

Foxit Reader is China's Foxit Foxit Software Corporation, a PDF document reader. A buffer overflow vulnerability exists in Foxit Reader version 8.3.2.25013. A remote attacker can exploit this vulnerability with a specially crafted .xps file to cause a denial of service or execute arbitrary code...

Multiple Vulnerabilities in Wi-Fi Protected Access and Wi-Fi Protected Access II

On October 16, 2017, a research paper with the title “Key Reinstallation Attacks: Forcing Nonce Reuse in WPA2” was made publicly available. This paper discusses seven vulnerabilities affecting session key negotiation in both the Wi-Fi Protected Access WPA and the Wi-Fi Protected Access II WPA2...

Artifex MuPDF Denial of Service Vulnerability (CNVD-2017-35028)

Artifex MuPDF is a free, lightweight PDF reader from Artifex Software. A security vulnerability exists in Artifex MuPDF version 1.11. The vulnerability can be exploited by an attacker to cause a denial of service with the help of a specially crafted .xps file...

DEBIAN-CVE-2017-14685

Artifex MuPDF 1.11 allows attackers to cause a denial of service or possibly have unspecified other impact via a crafted .xps file, related to "Data from Faulting Address controls Branch Selection starting at mupdf+0x000000000016aa61" on Windows. This occurs because xpsloadlinksinglyphs in...

DEBIAN-CVE-2017-14686

Artifex MuPDF 1.11 allows attackers to execute arbitrary code or cause a denial of service via a crafted .xps file, related to a "User Mode Write AV near NULL starting at wow64!Wow64NotifyDebugger+0x000000000000001d" on Windows. This occurs because readzipdirimp in fitz/unzip.c does not check...

UBUNTU-CVE-2017-14687

Artifex MuPDF 1.11 allows attackers to cause a denial of service or possibly have unspecified other impact via a crafted .xps file, related to "Data from Faulting Address controls Branch Selection starting at mupdf+0x000000000016cb4f" on Windows. This occurs because of mishandling of XML tag name...

STDU Viewer Buffer Overflow Vulnerability (CNVD-2017-30280)

STDU Viewer is a free file viewer that supports multiple formats. The program supports TIFF, PDF, DjVu, XPS and WWF formats. A buffer overflow vulnerability exists in STDU Viewer version 1.6.375. A local attacker can exploit this vulnerability with a specially crafted .xps file to execute arbitra...

CVE-2017-14568

STDU Viewer 1.6.375 allows attackers to execute arbitrary code or cause a denial of service via a crafted .xps file, related to an "Illegal Instruction Violation starting at Unknown Symbol @ 0x000000000297024c called from STDUXPSFile!DllUnregisterServer+0x0000000000025630."...

Facebook Awards $100K to Researchers for Credential Spearphishing Detection Method

A group of researchers recently identified a real-time way to detect credential spearphishing attacks in enterprise settings. The discovery net the researchers $100,000 last week from Facebook, which awards money as part of its annual Internet Defense Prize partnership with USENIX Association. Th...

BootStomp: Find Mobile Device Bootloader Vulnerabilities

PenTestIT RSS Feed Oh boy! This post is going to be interesting as it is about an interesting topic - mobile bootloaders. Specifically, this post is about BootStomp, which helps you find vulnerabilities in the bootloader. All of us know; as the name suggests, that bootloader is a program loads th...