Reverse Engineering 4G Hotspots for fun, bugs and net financial loss

a.k.a. 4G hotspots and their Discontents You might be here because you saw our talk at Defcon 27. You might want to watch that for the full rundown! TL;DR We found multiple vulnerabilities in several well known vendors Mi-Fi devices, including pre- and post-auth command injection and code executi...

ZTE MF910 – An end of life router, running lots of vivacious hidden code

You might be here because you saw our talk at Defcon 27. You might want to watch that for the full rundown! The ZTE MF910 is a really interesting router for reversing, mainly because it’s full of nice debug calls, and underused functionality. Also, it’s never going to get patched, and it’s really...

[SECURITY] Fedora 29 Update: php-7.2.21-1.fc29

PHP is an HTML-embedded scripting language. PHP attempts to make it easy for developers to write dynamically generated web pages. PHP also offers built-in database integration for several commercial and non-commercial database management systems, so writing a database-enabled webpage with PHP is...

Avaya Deskphone: Decade-Old Vulnerability Found in Phone's Firmware

ARCHIVED STORY Avaya Deskphone: Decade-Old Vulnerability Found in Phone’s Firmware By Philippe Laulheret · August 08, 2019 Avaya is the second largest VOIP solution provider source with an install base covering 90% of the Fortune 100 companies source, with products targeting a wide spectrum of...

Multiple Lenovo Products Privilege License and Access Control Issues Vulnerabilities

The Lenovo ThinkPad 10 20E3 and others are products of Lenovo, a Chinese company.The Lenovo ThinkPad 10 20E3 is a tablet PC.The ThinkPad 10 20E4 is a tablet PC.The ThinkPad 13 KBL 20J1 is a laptop PC. A privilege permission and access control issue vulnerability exists in systems in multiple Leno...

Avaya Deskphone: Decade-Old Vulnerability Found in Phone's Firmware

ARCHIVED STORY Avaya Deskphone: Decade-Old Vulnerability Found in Phone’s Firmware By Philippe Laulheret · August 08, 2019 Avaya is the second largest VOIP solution provider source with an install base covering 90% of the Fortune 100 companies source, with products targeting a wide spectrum of...

Das U-Boot Buffer Overflow Vulnerability (CNVD-2019-34618)

Das U-Boot is a boot loader program mainly for embedded systems. The program supports many different computer system architectures such as PPC, ARM, AVR32, MIPS, x86, 68k, Nios and MicroBlaze. A buffer overflow vulnerability exists in Das U-Boot. An attacker could exploit this vulnerability to...

Embedded Controller Update Vulnerability - US

Lenovo Security Advisory: LEN-27764 Potential Impact: Privilege escalation Severity: Medium Scope of Impact: Lenovo-specific CVE Identifier: CVE-2019-6171 Summary Description: A vulnerability was reported in older ThinkPad systems that could allow a user with administrative privileges or physical...

glibc: getaddrinfo should reject IP addresses with trailing characters

In the GNU C Library aka glibc or libc6 through 2.28, the getaddrinfo function would successfully parse a string that contained an IPv4 address followed by whitespace and arbitrary characters, which could lead applications to incorrectly assume that it had parsed a valid string, without the...

poppler: reachable abort in Object.h

An issue was discovered in Poppler 0.71.0. There is a reachable abort in Object.h, will lead to denial of service because EmbFile::save2 in FileSpec.cc lacks a stream check before saving an embedded file...

poppler: out-of-bounds read in EmbFile::save2 in FileSpec.cc

An issue was discovered in Poppler 0.71.0. There is a out-of-bounds read in EmbFile::save2 in FileSpec.cc, will lead to denial of service, as demonstrated by utils/pdfdetach.cc not validating embedded files before save attempts...

Wind River Systems VxWorks Parameter Injection Vulnerability (CNVD-2019-25702)

Wind River Systems VxWorks is an embedded real-time operating system RTOS from Wind River Systems. A parameter injection vulnerability exists in Wind River Systems VxWorks. An attacker could exploit this vulnerability by sending a reverse ARP response to an affected system to assign a unicast IPv...

Das U-Boot Buffer Overflow Vulnerability

Das U-Boot is a boot loader program mainly for embedded systems. The program supports many different computer system architectures such as PPC, ARM, AVR32, MIPS, x86, 68k, Nios and MicroBlaze. A buffer error vulnerability exists in Das U-Boot 2019.07 and earlier versions. The vulnerability stems...

Das U-Boot Digital Error Vulnerability

Das U-Boot is a boot loader program mainly for embedded systems. The program supports many different computer system architectures such as PPC, ARM, AVR32, MIPS, x86, 68k, Nios and MicroBlaze. A numeric error vulnerability exists in Das U-Boot. An attacker could exploit this vulnerability to caus...

Das U-Boot Buffer Overflow Vulnerability (CNVD-2019-34813)

Das U-Boot is a boot loader program mainly for embedded systems. The program supports many different computer system architectures such as PPC, ARM, AVR32, MIPS, x86, 68k, Nios and MicroBlaze. A buffer overflow vulnerability exists in Das U-Boot. An attacker could exploit this vulnerability to...

Das U-Boot Buffer Overflow Vulnerability (CNVD-2019-34811)

Das U-Boot is a boot loader program mainly for embedded systems. The program supports many different computer system architectures such as PPC, ARM, AVR32, MIPS, x86, 68k, Nios and MicroBlaze. A buffer overflow vulnerability exists in Das U-Boot. An attacker could exploit this vulnerability to...

Das U-Boot Buffer Overflow Vulnerability (CNVD-2019-34808)

Das U-Boot is a boot loader program mainly for embedded systems. The program supports many different computer system architectures such as PPC, ARM, AVR32, MIPS, x86, 68k, Nios and MicroBlaze. A buffer overflow vulnerability exists in Das U-Boot. An attacker could exploit this vulnerability to...

Das U-Boot Buffer Overflow Vulnerability (CNVD-2019-34814)

Das U-Boot is a boot loader program mainly for embedded systems. The program supports many different computer system architectures such as PPC, ARM, AVR32, MIPS, x86, 68k, Nios and MicroBlaze. A buffer overflow vulnerability exists in Das U-Boot. An attacker could exploit this vulnerability to...

Das U-Boot Buffer Overflow Vulnerability (CNVD-2019-34810)

Das U-Boot is a boot loader program mainly for embedded systems. The program supports many different computer system architectures such as PPC, ARM, AVR32, MIPS, x86, 68k, Nios and MicroBlaze. A buffer overflow vulnerability exists in Das U-Boot. An attacker could exploit this vulnerability to...

RTOS VxWorks multiple high-risk vulnerability alerts-a vulnerability alert-the black bar safety net

Armis researchers in the VxWorks discovered 11 zero-day vulnerabilities, VxWorks is a popular real timeoperating system（RTOS）, is more than 20 million devices in use, including industrial, medical and business equipment and other mission-critical equipment. These vulnerabilities are referred to...