The vulnerability of the cross-platform web service infrastructure platform Mono ServiceStack, related to improper verification of the cryptographic signature of data, allows attackers to bypass the signature verification and gain access to protected information.

The vulnerability of the cross-platform web service infrastructure of Mono ServiceStack is related to improper verification of the cryptographic signature of data. Exploiting this vulnerability allows a malicious actor to bypass signature checks and gain access to protected information...

PT-2025-12840 · Unknown · Carlinkit Cpc200-Ccpa

Name of the Vulnerable Software and Affected Versions: CarlinKit CPC200-CCPA affected versions not specified Description: The issue concerns an improper verification of cryptographic signature, potentially leading to code execution. This has been identified in the update.cgi component...

(0Day) CarlinKit CPC200-CCPA update.cgi Improper Verification of Cryptographic Signature Code Execution Vulnerability

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of CarlinKit CPC200-CCPA devices. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the...

Medium: perl-App-cpanminus

Issue Overview: The App::cpanminus package 1.7044 for Perl allows Signature Verification Bypass. CVE-2020-16154 Affected Packages: perl-App-cpanminus Note: This advisory is applicable to Amazon Linux 2 AL2 Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras...

Medium: perl-App-cpanminus

Issue Overview: The App::cpanminus package 1.7044 for Perl allows Signature Verification Bypass. CVE-2020-16154 Affected Packages: perl-App-cpanminus Note: This advisory is applicable to Amazon Linux 2 AL2 Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras...

PT-2025-12839 · Carlinkit · Carlinkit Cpc200-Ccpa

Name of the Vulnerable Software and Affected Versions: CarlinKit CPC200-CCPA affected versions not specified Description: The issue is related to an improper verification of cryptographic signature, which can lead to code execution. Recommendations: At the moment, there is no information about a...

(0Day) CarlinKit CPC200-CCPA Improper Verification of Cryptographic Signature Code Execution Vulnerability

This vulnerability allows physically present attackers to execute arbitrary code on affected installations of CarlinKit CPC200-CCPA devices. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of update packages on USB drives. The issue resul...

GHSA-46MP-8W32-6G94 Kyverno ignores subjectRegExp and IssuerRegExp

Summary Kyverno ignores subjectRegExp and IssuerRegExp while verifying artifact's sign with keyless mode. It allows the attacker to deploy kubernetes resources with the artifacts that were signed by unexpected certificate. Details Kyverno checks only subject and issuer fields when verifying an...

CVE-2025-29778 Kyverno ignores subjectRegExp and IssuerRegExp

Kyverno is a policy engine designed for cloud native platform engineering teams. Prior to version 1.14.0-alpha.1, Kyverno ignores subjectRegExp and IssuerRegExp while verifying artifact's sign with keyless mode. It allows the attacker to deploy kubernetes resources with the artifacts that were...

LibreOffice Improper Certificate Validation Vulnerability (Mar 2025) - Windows

LibreOffice is prone to an improper certificate validation vulnerability. SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE =...

LibreOffice Improper Certificate Validation Vulnerability (Mar 2025) - Linux

LibreOffice is prone to an improper certificate validation vulnerability. SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE =...

LibreOffice Improper Certificate Validation Vulnerability (Mar 2025) - Mac OS X

LibreOffice is prone to an improper certificate validation vulnerability. SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE =...

CVE-2021-25635

An Improper Certificate Validation vulnerability in LibreOffice allowed an attacker to self sign an ODF document, with a signature untrusted by the target, then modify it to change the signature algorithm to an invalid or unknown to LibreOffice algorithm and LibreOffice would incorrectly present...

UBUNTU-CVE-2021-25635

An Improper Certificate Validation vulnerability in LibreOffice allowed an attacker to self sign an ODF document, with a signature untrusted by the target, then modify it to change the signature algorithm to an invalid or unknown to LibreOffice algorithm and LibreOffice would incorrectly present...

CVE-2021-25635 Content Manipulation with Certificate Validation Attack

An Improper Certificate Validation vulnerability in LibreOffice allowed an attacker to self sign an ODF document, with a signature untrusted by the target, then modify it to change the signature algorithm to an invalid or unknown to LibreOffice algorithm and LibreOffice would incorrectly present...

OESA-2025-1307 linux-firmware security update

This package contains firmware images required by some devices. Security Fixes: Improper signature verification in AMD CPU ROM microcode patch loader may allow an attacker with local administrator privilege to load malicious CPU microcode resulting in loss of confidentiality and integrity of a...

Malicious code in my-signature (npm)

--- -= Per source details. Do not edit below this line.=- Source: ghsa-malware 0e0bbf0594c1ce65a05bd238b874f3af6810ddb8729b2f913150d08d07f6a323 Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be...

MAL-2025-2564 Malicious code in my-signature (npm)

--- -= Per source details. Do not edit below this line.=- Source: ghsa-malware 0e0bbf0594c1ce65a05bd238b874f3af6810ddb8729b2f913150d08d07f6a323 Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be...

USN-7363-1 pam-pkcs11 vulnerabilities

Marcus Rückert and Matthias Gerstner discovered that PAM-PKCS11 did not properly handle certain return codes when authentication was not possible. An attacker could possibly use this issue to bypass authentication. This issue only affected Ubuntu 24.04 LTS and Ubuntu 24.10. CVE-2025-24531 It was...

XML Signature Bypass

xml-crypto is vulnerable to an XML Signature Bypass. The vulnerability is due to improper validation of signed XML structures, allowing an attacker to modify a signed XML message while still passing signature verification checks...