HP printer issue on Mac: What happened?

Apple holds the keys to nearly all recent Mac software. This is a story of those keys, and how a Hewlett Packard HP error caused problems for a lot of people. Code signing and certificates First, its important to understand that when I say "keys," what I really mean is "certificates." These...

Security Only Update for .NET Framework 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows 7 SP1 and Windows Server 2008 R2 SP1 (KB4580467)

Security Only Update for .NET Framework 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows 7 SP1 and Windows Server 2008 R2 SP1 KB4580467 Notice Revised 6/8/2021 On June 8th, 2021, this update was released to replace a previous update to address a “revocation server was offline”...

CVE-2020-26540

An issue was discovered in Foxit Reader and PhantomPDF before 4.1 on macOS. Because the Hardened Runtime protection mechanism is not applied to code signing, code injection or an information leak can occur...

CVE-2020-26540

An issue was discovered in Foxit Reader and PhantomPDF before 4.1 on macOS. Because the Hardened Runtime protection mechanism is not applied to code signing, code injection or an information leak can occur...

ios-resources

PoC exploit for iOS device. The primary CVE ID is not explicitly mentioned, but the repository contains resources for iOS hacking, including ARMv8 instruction set documentation and assembly language crash course. The target product/service is the iOS operating system, and the vulnerability...

Security Only Update for .NET Framework 4.8 for Windows 7 SP1 and Windows Server 2008 R2 SP1 (KB4576490)

Security Only Update for .NET Framework 4.8 for Windows 7 SP1 and Windows Server 2008 R2 SP1 KB4576490 Notice Revised 2/2/2022 On February 2nd, 2022, guidance was added to this article regarding how to install security-only updates after some changes were made to the ESU program. See the Known...

Apple’s notarization process fails to protect

In macOS Mojave, Apple introduced the concept of notarization, a process that developers can go through to ensure that their software is malware-free and must go through for their software to run on macOS Catalina. This is meant to be another layer in Apples protection against malware...

Security and Quality Rollup for .NET Framework 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows 7 SP1 and Windows Server 2008 R2 SP1 (KB4570506)

Security and Quality Rollup for .NET Framework 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows 7 SP1 and Windows Server 2008 R2 SP1 KB4570506 Applies to: Microsoft .NET Framework 3.5.1 Microsoft .NET Framework 4.5.2 Microsoft .NET Framework 4.6 Microsoft .NET Framework 4.6.1...

Security Only Update for .NET Framework 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows 7 SP1 and Windows Server 2008 R2 SP1 (KB4570500)

Security Only Update for .NET Framework 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows 7 SP1 and Windows Server 2008 R2 SP1 KB4570500 Notice Revised 6/8/2021 On June 8th, 2021, this update was released to replace a previous update to address a “revocation server was offline”...

Survey of Supply Chain Attacks

The Atlantic Council has a released a report that looks at the history of computer supply chain attacks. Key trends from their summary: 1. Deep Impact from State Actors: There were at least 27 different state attacks against the software supply chain including from Russia, China, North Korea, and...

Security Only Update for .NET Framework 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows 7 SP1 and Windows Server 2008 R2 SP1 (KB4556403)

Security Only Update for .NET Framework 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows 7 SP1 and Windows Server 2008 R2 SP1 KB4556403 Notice Revised 6/8/2021 On June 8th, 2021, this update was released to replace a previous update to address a “revocation server was offline”...

CVE-2020-3906

A logic issue was addressed with improved restrictions. This issue is fixed in macOS Catalina 10.15.4. A maliciously crafted application may be able to bypass code signing enforcement...

CVE-2020-3906

A logic issue was addressed with improved restrictions. This issue is fixed in macOS Catalina 10.15.4. A maliciously crafted application may be able to bypass code signing enforcement...

Design/Logic Flaw

A logic issue was addressed with improved restrictions. This issue is fixed in macOS Catalina 10.15.4. A maliciously crafted application may be able to bypass code signing enforcement...

CVE-2020-3906

CVE-2020-3906 concerns a logic issue in the macOS TCC component that could allow a maliciously crafted application to bypass code signing enforcement. The vulnerability is fixed in macOS Catalina 10.15.4. Affected: macOS Catalina (and related 10.15.x releases) where TCC logic allowed bypass of si...

CVE-2020-3906

A logic issue was addressed with improved restrictions. This issue is fixed in macOS Catalina 10.15.4. A maliciously crafted application may be able to bypass code signing enforcement...

Apple macOS Catalina TCC Component Logic Issue Vulnerability

Apple macOS Catalina is a specialized operating system developed by Apple Inc. for Mac computers. A logic problem exists in the Apple macOS Catalina TCC component, which can be exploited by attackers to create malicious applications that may be able to bypass code signing implementations...

Lenovo, HP, Dell Peripherals Face Unpatched Firmware Bugs

Fresh firmware vulnerabilities in Wi-Fi adapters, USB hubs, trackpads and cameras are putting millions of peripheral devices in danger of a range of cyberattacks, according to research from Eclypsium. TouchPad and TrackPoint firmware in Lenovo Laptops, HP Wide Vision FHD camera firmware in HP...

CVE-2020-0601: Windows CryptoAPI Spoofing Vulnerability | Cloud Foundry

Severity High Vendor Microsoft Corporation Description A spoofing vulnerability exists in the way Windows CryptoAPI Crypt32.dll validates Elliptic Curve Cryptography ECC certificates. An attacker could exploit the vulnerability by using a spoofed code-signing certificate to sign a malicious...

PoC Exploits Published For Microsoft Crypto Bug

Two proof-of-concept PoC exploits have been publicly released for the recently-patched crypto-spoofing vulnerability found by the National Security Agency and reported to Microsoft. The vulnerability CVE-2020-0601 could enable an attacker to spoof a code-signing certificate necessary for validati...