Technical Advisory – KwikTag Web Admin Authentication Bypass

Vendor: ImageTagVendor URL: https://www.kwiktag.comVersions affected: 4.5.2 - 9.0Systems Affected: KwikTag Web AdminAuthor: Clayton LowellAdvisory URL / CVE Identifier: https://www.kwiktag.com/admin-security-advisory_202005/Risk: High Summary: KwikTag is a digital document management solution. KwikTag Web Admin is used to administrate accounts and permissions of the KwikTag instance. KwikTag Web Admin grants an active session without properly validating expired admin credentials. … Continue reading Technical Advisory – KwikTag Web Admin Authentication Bypass

Technical Advisory – ARM MbedOS USB Mass Storage Driver Memory Corruption

Vendor: ARM Vendor URL: https://os.mbed.com/ Versions affected: Prior to 5.15.2 Systems Affected: ARM Mbed OS Author: Ilya Zhuravlev Risk: High Summary: The ARM Mbed operating system contains a USB Mass Storage driver (USBMD), which allows emulation of a mass storage device over USB. This driver contains a three (3) memory safety vulnerabilities, allowing adversaries with … Continue reading Technical Advisory – ARM MbedOS USB Mass Storage Driver Memory Corruption

Whitepaper – Coinbugs: Enumerating Common Blockchain Implementation-Level Vulnerabilities

By Aleksandar Kircanski and Terence Tarvis A good amount of effort has been dedicated to surveying and systematizing Ethereum smart contract security bug classes. There is, however, a gap in literature when it comes to surveying implementation-level security bugs that commonly occur in basic PoW blockchain node implementations, discovered during the first decade of Bitcoin’s … Continue reading Whitepaper – Coinbugs: Enumerating Common Blockchain Implementation-Level Vulnerabilities

Technical Advisory – playSMS Pre-Authentication Remote Code Execution (CVE-2020-8644)

Vendor: playSMS Vendor URL: https://playsms.org/ Versions affected: Before 1.4.3 Systems Affected: All Author: Lucas Rosevear Advisory URL / CVE Identifier: CVE-2020-8644 Risk: Critical Summary: PlaySMS is an open source SMS gateway, which has a web management portal written in PHP. PlaySMS supports a custom PHP templating system, called tpl (https://github.com/antonraharja/tpl). PlaySMS double processes a server-side … Continue reading Technical Advisory – playSMS Pre-Authentication Remote Code Execution (CVE-2020-8644)