security research, vulnerability, git, github — 05 November 2020 Attack of the clones: Git clients remote code execution Introduction This post is a rather unusual story of a vulnerability that could be leveraged as a supply chain attack and used to attack millions of software developers around the world. It is also a tale of a bug collision...
security research, malware analysis, ragnar locker, ransomware — 30 July 2020 Dissecting Ragnar Locker: The Case Of EDP Introduction On April 13th 2020, news broke out on Portuguese media [1] that Energias de Portugal (EDP), the Portuguese multinational energy giant and one of the largest European operators in energy & wind sectors, had been hit by a highly...
security research, advisory, vulnerability, mattermost — 20 July 2020 Security advisory: Mattermost Mobile for iOS v1.31.0 Authentication Token Leakage and Account Takeover Advisory information Title: Mattermost Mobile for iOS Authentication Token Leakage and Account Takeover Advisory reference: BLAZE-05-2020 Product: Mattermost Mobile Client for iOS v1.31.0 (Build 293) CVE reference: CVE-2020-13891 Vendor reference: MMSA-2020-0022 Disclosure mode: Coordinated disclosure Product description Mattermost...
security research, advisory, vulnerability, privilege escalation — 22 June 2020 Security advisory: Mullvad VPN client for Windows 2020.3 local privilege escalation Advisory information Title: Mullvad VPN client for Windows 2020.3 local privilege escalation Advisory reference: BLAZE-03-2020 Product: Mullvad 2020.3 for Windows CVE reference: CVE-2020-14197 Disclosure mode: Coordinated Product description Mullvad is a Sweden-based VPN provider with a strong focus...
security research, advisory, i2p, vulnerability, privilege escalation — 29 May 2020 Security advisory: i2p for Windows local privilege escalation Advisory information Title: i2p for Windows local privilege escalation Advisory reference: BLAZE-02-2020 Product: i2p 0.7.5 to 0.9.45 for Windows CVE reference: CVE-2020-13431 Disclosure mode: Coordinated Product description i2p (The Invisible Internet Project) is an anonymous network,...
linux, aslr, security research, bypass, userland — 10 February 2020 The never ending problems of local ASLR holes in Linux Introduction Address Space Layout Randomization, or simply ASLR, is a probabilistic security defense that was released by the PaX Team in 2001 and introduced into upstream kernels in 2005 (2.6.12). As the name itself indicates, it randomly arranges...
homographs, telegram, signal, security research — 01 April 2019 What you see is not what you get: when homographs attack Introduction Since the introduction of Unicode in domain names (known as Internationalized Domain Names, or simply IDN) by ICANN over two decades ago, a series of brand new security implications were also brought into light together with the possibility of...
advisory, telegram, security research, homographs — 25 March 2019 Security advisory: Telegram instant messenger IDN homograph attack Advisory information Title: Telegram instant messenger IDN homograph attacks Advisory reference: BLAZE-02-2019 (CVE-2019-10044) Product: Telegram Disclosure mode: Coordinated disclosure Product description Telegram is a messaging app with a focus on speed and security, it’s super-fast, simple and free. You...
homographs, security research, advisory, signal — 24 March 2019 Security advisory: Signal IDN homograph attack Advisory information Title: Signal IDN homograph attacks Advisory reference: BLAZE-01-2019 (CVE-2019-9970) Product: Signal Disclosure mode: Coordinated disclosure Product description Signal is an encrypted communications app for Android and iOS. A desktop version is also available for Linux, Windows, and macOS....
advisory, security research — 29 March 2017 Security advisory: Porteus Kiosk security restrictions bypass Advisory information Title: Porteus Kiosk security restrictions bypass Advisory reference: BLAZE-01-2017 Product: Porteus Kiosk Disclosure mode: Coordinated disclosure Product description Porteus Kiosk is a popular lightweight Linux designed to be used as a kiosk solution. It implements several restrictions with...
