clone-cert

clone-cert.sh Este es un script de shell simple que recupera el certificado X.509 asociado a un puerto TCP envuelto en TLS y utiliza openssl para crear un certificado similar reemplazando la clave pública y corrigiendo la firma. Esto es particularmente útil si desea demostrar por qué los...

CVE-2022-0778

CVE-2022-0778 La vulnerabilidad descubierta provoca un bucle infinito en la función BNmodsqrt de OpenSSL al analizar una clave de curva elíptica. Esto significa que un certificado X.509 manipulado de forma maliciosa puede provocar un DoS en cualquier servidor sin parchear. El núcleo de la...

qark

Quick Android Review Kit This tool is designed to look for several security related Android application vulnerabilities, either in source code or packaged APKs. The tool is also capable of creating "Proof-of-Concept" deployable APKs and/or ADB commands, capable of exploiting many of the...

CVE-2026-6789-Stack-Buffer-Overflow-in-Embedded-TLS-Certificate-Parser

9. CVE-2026-6789 – Desbordamiento de búfer de pila en el analizador de certificados TLS embebido Resumen Una popular librería TLS ligera simulada contiene un desbordamiento de búfer de pila al analizar extensiones de Subject Alternative Name de certificados X.509 con un campo de longitud...

AZL-98441 CVE-2026-14957 affecting package libreswan 4.15-2

In FIPS mode, Libreswan's adddecodedcert function calls CERTExtractPublicKey and asserts that the result is not NULL. However, CERTExtractPublicKey returns NULL when public key extraction fails, for example if the RSA exponent is set to 0. A remote attacker can send a malformed X.509 certificate ...

CVE-2026-14957

In FIPS mode, Libreswan's adddecodedcert function calls CERTExtractPublicKey and asserts that the result is not NULL. However, CERTExtractPublicKey returns NULL when public key extraction fails, for example if the RSA exponent is set to 0. A remote attacker can send a malformed X.509 certificate ...

EUVD-2026-69820

In FIPS mode, Libreswan's adddecodedcert function calls CERTExtractPublicKey and asserts that the result is not NULL. However, CERTExtractPublicKey returns NULL when public key extraction fails, for example if the RSA exponent is set to 0. A remote attacker can send a malformed X.509 certificate ...

CVE-2026-14957

In FIPS mode, Libreswan's adddecodedcert function calls CERTExtractPublicKey and asserts that the result is not NULL. However, CERTExtractPublicKey returns NULL when public key extraction fails, for example if the RSA exponent is set to 0. A remote attacker can send a malformed X.509 certificate ...

libreswan: badly formatted X.509 certificate can cause an assertion failure that crashes the daemon process

A flaw was found in Libreswan. An unauthenticated remote attacker can send a specially crafted X.509 certificate payload during an IKEv1 or IKEv2 exchange. This flaw occurs when Libreswan is operating in FIPS Federal Information Processing Standards mode and processing a certificate with an inval...

Important: Red Hat Security Advisory: libreswan security update

An update for libreswan is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

libreswan: badly formatted X.509 certificate can cause an assertion failure that crashes the daemon process

A flaw was found in Libreswan. An unauthenticated remote attacker can send a specially crafted X.509 certificate payload during an IKEv1 or IKEv2 exchange. This flaw occurs when Libreswan is operating in FIPS Federal Information Processing Standards mode and processing a certificate with an inval...

Important: Red Hat Security Advisory: libreswan security update

An update for libreswan is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

crypto/x509: golang: golang crypto/x509: Denial of Service via excessive processing of DNS SAN entries

A flaw was found in the crypto/x509 package of golang. This vulnerability allows a remote attacker to cause a Denial of Service DoS by presenting a specially crafted X.509 certificate with a large number of DNS Subject Alternative Name SAN entries. The certificate verification process, specifical...

CVE-2026-75807 SAML Single Sign On <= 5.4.6 - Unauthenticated Authentication Bypass via X.509 Certificate Poisoning

The SAML Single Sign On – SSO Login plugin for WordPress is vulnerable to Authentication Bypass in versions up to, and including, 5.4.6. This is due to the mosamlloginvalidate ACS handler persisting the X.509 certificate extracted from an incoming SAMLResponse into the mosamlrequiredcertificate...

Security Bulletin: Multiple security vulnerabilites identified in open source libraries shipped with IBM Guardium Cryptography Manager (GCM)

Summary The vulnerabilities were found in dependent open source libraries used within IBM Guardium Cryptography Manager code base. These issues have been addressed by updating the versions of affected libraries. Vulnerability Details CVEID:CVE-2026-47838 DESCRIPTION: SubjectDnX509PrincipalExtract...

crypto/x509: golang: golang crypto/x509: Denial of Service via excessive processing of DNS SAN entries

A flaw was found in the crypto/x509 package of golang. This vulnerability allows a remote attacker to cause a Denial of Service DoS by presenting a specially crafted X.509 certificate with a large number of DNS Subject Alternative Name SAN entries. The certificate verification process, specifical...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098837)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098837 advisory. In the Linux kernel, the following vulnerability has been resolved: crypto: asymmetrickeys - prevent overflow in asymmetrickeygenerateid Use checkaddoverflow to guar...

libreswan: badly formatted X.509 certificate can cause an assertion failure that crashes the daemon process

A flaw was found in Libreswan. An unauthenticated remote attacker can send a specially crafted X.509 certificate payload during an IKEv1 or IKEv2 exchange. This flaw occurs when Libreswan is operating in FIPS Federal Information Processing Standards mode and processing a certificate with an inval...

RHEL 9 : libreswan (RHSA-2026:57741)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:57741 advisory. Libreswan is an implementation of IPsec and IKE for Linux. IPsec is the Internet Protocol Security and uses strong cryptography to provide...

CVE-2026-57826

openHiTLS (a TLS protocol implementation) is affected in versions 0.2.0 through 0.3.2 . During X.509 certificate chain verification , the basic constraints extension and CA flag of intermediate CAs are only validated for v3 certificates; v1 and v2 intermediate certificates are ignored, potentiall...