cve-2013-3900-winverifytrust-mitigation

CVE-2013-3900 Mitigation WinVerifyTrust / EnableCertPaddingCheck This repository contains a PowerShell remediation + verification script that addresses Tenable/Nessus finding: Plugin ID: 166555 Name: WinVerifyTrust Signature Validation CVE-2013-3900 Mitigation EnableCertPaddingCheck The script...

CVE-2013-3900-PowerShell-PoC

CVE-2013-3900-PowerShell-PoC This PoC is provided for educational and research purposes only. The author takes no responsibility for misuse or damage caused by this code. This PowerShell script is a testing tool for simulating the attack described in CVE-2013-3900. CVE-2013-3900 concerns the...

Fix-WinVerifyTrustSignatureValidationVuln

Fix-WinVerifyTrustSignatureValidationVuln Fix WinVerifyTrust Signature Validation Vulnerability, CVE-2013-39001, QID-3783322 This Fix is intended for 64-bit Windows Computers This PowerShell code is one way to fix the vulnerability - aside from creating a .reg file and using reg import to import...

badecparams

BADECPARAMS Proof of Concept for CVE-2020-0601. badecparams.py generates an intermediate certificate authority that exploits the vulnerability, then issues Authenticode and TLS certificates. The TLS certificates have Extended Validation in Microsoft Edge and Internet Explorer. httpd.py serves the...

SigFlip

What is it ? SigFlip is a tool for patching authenticode signed PE files exe, dll, sys ..etc in a way that doesn't affect or break the existing authenticode signature, in other words you can change PE file checksum/hash by embedding data i.e shellcode without breaking the file signature, integrit...

certReport

CertReport This tool is intended to reduce the load of effort required to report authenticode certificates. It is intended to take the smallest amount of effort from the reporter, but provide the certificate authority with most the information they need to make a decision. When possible, it is...

CVE-2026-8863

CVE-2026-8863 Collection of the signed UEFI Secure Boot shim binaries affected by CVE-2026-8863, with the embedded shim version, Authenticode signer and revocation hashes of each image. Releases that ship the byte-identical signed shim are collapsed onto a single row — one Authenticode hash is on...

-WinVerifyTrust-Signature-Validation-CVE-2013-3900-Mitigation

CVE-2013-3900 is a remote code execution vulnerability in the way Microsoft's WinVerifyTrust function handles Windows Authenticode signature verification. This flaw allows an attacker to modify a signed executable file by adding malicious code to an unverified portion of the file without...

CVE-2026-79298

🐞 CVE-2026-79298: Incomplete Remediation of UEFI Secure Boot Bypass in Howyar SysReturn A vulnerability was patched. A binary was revoked. But only half the architecture was fixed. Eighteen months later, the IA-32 boot path still carried the same custom PE loader, the same bypassed Secure Boot...

CVE-2026-85995 Notepad++: Authenticode verification bypass allows modified updater execution

Notepad++ is a free and open-source source code editor. From 8.9.7 until 8.9.8, the Notepad++ updater and signature verification path can accept a modified GUP.exe file whose embedded certificate metadata remains present even though its Authenticode digest is invalid. An attacker who can replace ...

CVE-2026-85995 Notepad++: Authenticode verification bypass allows modified updater execution

Notepad++ is a free and open-source source code editor. From 8.9.7 until 8.9.8, the Notepad++ updater and signature verification path can accept a modified GUP.exe file whose embedded certificate metadata remains present even though its Authenticode digest is invalid. An attacker who can replace ...

CVE-2026-85995 Notepad++: Authenticode verification bypass allows modified updater execution

Notepad++ is a free and open-source source code editor. From 8.9.7 until 8.9.8, the Notepad++ updater and signature verification path can accept a modified GUP.exe file whose embedded certificate metadata remains present even though its Authenticode digest is invalid. An attacker who can replace ...

CVE-2026-49450

Joplin is an open source note-taking and to-do application that organises notes and lists into notebooks. Prior to 3.7.2, Joplin Desktop for Windows omits publisherName from packages/app-desktop/package.json, so the generated app-update.yml causes NsisUpdater.verifySignature to skip comparison of...

EUVD-2026-84166

Joplin is an open source note-taking and to-do application that organises notes and lists into notebooks. Prior to 3.7.2, Joplin Desktop for Windows omits publisherName from packages/app-desktop/package.json, so the generated app-update.yml causes NsisUpdater.verifySignature to skip comparison of...

CVE-2026-49450

Joplin Desktop for Windows versions prior to 3.7.2 omit the publisherName field from packages/app-desktop/package.json, causing the generated app-update.yml to make NsisUpdater.verifySignature() skip the Authenticode signer comparison. An attacker controlling the update delivery path can substitu...

CVE-2026-49450: Insufficient Verification of Data Authenticity

Joplin is an open source note-taking and to-do application that organises notes and lists into notebooks. Prior to 3.7.2, Joplin Desktop for Windows omits publisherName from packages/app-desktop/package.json, so the generated app-update.yml causes NsisUpdater.verifySignature to skip comparison of...

Exploit for CVE-2026-79298

🐞 CVE-2026-79298: Incomplete Remediation of UEFI Secure Boo...

CVE-2026-54001

osquery is a SQL powered operating system instrumentation, monitoring, and analytics framework. Prior to 5.23.1, on Windows, a local unprivileged attacker can cause a heap buffer out-of-bounds write if there is a query of the authenticode table targeting a maliciously crafted binary, due to...

CVE-2026-54001 osquery: Heap buffer overflow via `authenticode` table (Windows)

osquery is a SQL powered operating system instrumentation, monitoring, and analytics framework. Prior to 5.23.1, on Windows, a local unprivileged attacker can cause a heap buffer out-of-bounds write if there is a query of the authenticode table targeting a maliciously crafted binary, due to...

CVE-2026-54001 osquery: Heap buffer overflow via `authenticode` table (Windows)

osquery is a SQL powered operating system instrumentation, monitoring, and analytics framework. Prior to 5.23.1, on Windows, a local unprivileged attacker can cause a heap buffer out-of-bounds write if there is a query of the authenticode table targeting a maliciously crafted binary, due to...