CVE-2020-0601

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 executable, making it appear the file was from a trusted,...

CVE-2020-0601

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 executable, making it appear the file was from a trusted,...

CVE-2020-0601

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 executable, making it appear the file was from a trusted,...

Microsoft Windows CryptoAPI Spoofing Vulnerability (CVE-2020-0601) – How to Detect and Remediate

Update January 31, 2020: Client testing is now available at clienttest.ssllabs.com. Update January 15, 2020: Detection dashboard now available. Today, Microsoft released patch for CVE-2020-0601, aka Curveball, a vulnerability in windows "crypt32.dll" component that could allow attackers to perfor...

January 2020 Patch Tuesday – 50 Vulns, 8 Critical, Adobe Vulns

This month’s Microsoft Patch Tuesday addresses 50 vulnerabilities with only 8 of them labeled as Critical. Of the 8 Critical vulns, one is for browser and scripting engines, 3 are for .NET Framework and one for ASP.NET. In addition, Microsoft has patched 3 critical RCEs in Remote Desktop Gateway...

Critical Vulnerabilities in Microsoft Windows Operating Systems

Summary New vulnerabilities are continually emerging, but the best defense against attackers exploiting patched vulnerabilities is simple: keep software up to date. Timely patching is one of the most efficient and cost-effective steps an organization can take to minimize its exposure to...

Windows CryptoAPI Spoofing Vulnerability

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 executable, making it appear the file was from a trusted,...

Microsoft Windows CryptoAPI CVE-2020-0601 Spoofing Vulnerability

Description Microsoft Windows is prone to a security vulnerability that may allow attackers to conduct spoofing attacks. An attacker can exploit this issue to conduct spoofing attacks and perform unauthorized actions; other attacks are also possible. Technologies Affected Microsoft Windows 10...

CVE-2020-0601, aka NSACrypt

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 executable, making it appear the file was from a trusted,...

KLA11639 Multiple vulnerabilities in Microsoft Windows

Multiple vulnerabilities were found in Microsoft Windows. Malicious users can exploit these vulnerabilities to execute arbitrary code, obtain sensitive information, gain privileges, bypass security restrictions, spoof user interface, cause denial of service. Below is a complete list of...

Microsoft Windows CryptoAPI fails to properly validate ECC certificate chains

Overview The Microsoft Windows CryptoAPI fails to properly validate certificates that use Elliptic Curve Cryptography ECC, which may allow an attacker to spoof the validity of certificate chains. Description The Microsoft Windows CryptoAPI, which is provided by Crypt32.dll, fails to validate ECC...

Microsoft Windows cryptoapi - SymCrypt Modular Inverse Algorithm Denial of Service

Microsoft Windows cryptoapi - SymCrypt Modular Inverse Algorithm Denial of Service There's a bug in the SymCrypt multi-precision arithmetic routines that can cause an infinite loop when calculating the modular inverse on specific bit patterns with bcryptprimitives!SymCryptFdefModInvGeneric. I've...

Microsoft Windows cryptoapi - SymCrypt Modular Inverse Algorithm Denial of Service

There's a bug in the SymCrypt multi-precision arithmetic routines that can cause an infinite loop when calculating the modular inverse on specific bit patterns with bcryptprimitives!SymCryptFdefModInvGeneric. I've been able to construct an X.509 certificate that triggers the bug. I've found that...

Android DRM Services - Buffer Overflow

Android DRM Services - Buffer Overflow include include include include include include include include include include using namespace android; static sp getCrypto sp sm = defaultServiceManager; sp binder = sm-getServiceString16"media.drm"; sp service = interfacecastbinder; if service == NULL...

Android DRM Services - Buffer Overflow

include include include include include include include include include include using namespace android; static sp getCrypto sp sm = defaultServiceManager; sp binder = sm-getServiceString16"media.drm"; sp service = interfacecastbinder; if service == NULL fprintfstderr, "Failed to retrieve...

Microsoft CNG/CryptoAPI Tor Protocol Implementation PoC

mini-tor is a proof-of-concept utility for accessing internet content and hidden service content .onion via tor routers. this utility is aiming for as smallest size as possible currently 47kb, compressed with kkrunchy 20kb, which is achieved by using Microsoft CryptoAPI/CNG instead of embedding...

TrickBot Banking Trojan Could Be Dyre Rewrite

Despite the fact that the criminals allegedly behind the creation and distribution of the Dyre banking Trojan are in a Russian jail, a new piece of malware in the wild has enough similarities to Dyre that researchers are wondering whether there’s a connection. The new malware is called TrickBot a...

MS KB3046310: Improperly Issued Digital Certificates Could Allow Spoofing

The remote host is missing KB3046310, KB2677070 automatic updater, or the latest disallowed certificate update using KB2813430 manual updater. If KB2677070 has been installed, it has not yet obtained the latest auto-updates. Note that this plugin checks that the updaters have actually updated the...

Microsoft CryptoAPI Object Identifiers Integer Overflow (MS09-056) - Ver2 (CVE-2009-2511)

The CryptoAPI provide services that enable application developers to add encryption/decryption of data, authentication using digital certificates, and encoding to and decoding from Abstract Syntax Notation One ASN.1 to their Windows-based applications. A spoofing vulnerability has been reported i...

VanishCrypt – Virtual Encryption Tool by SecurityLabs [Video Demonstration]

VanishCrypt – Virtual Encryption Tool by SecurityLabs SecurityLabs Experts from India release a new Virtual Encryption Tool called "VanishCrypt". A Freeware Utility to Secure Your Data. It creates a virtual disk that contains your secret files. Data is protected with a Encrypted Password. The fil...