PT-2023-4874

Name of the Vulnerable Software and Affected Versions Bouncy Castle For Java versions prior to 1.74 Description The issue is related to an LDAP injection vulnerability in Bouncy Castle For Java. It affects applications that use an LDAP CertStore to validate X.509 certificates. During certificate...

Keycloak Untrusted Certificate Validation vulnerability

A flaw was found in keycloak-core. This flaw considers the scenario when using X509 Client Certificate Authenticatior with the option "Revalidate Client Certificate". A user may be able to choose, if directly connect to keycloak not passing via reverse proxy a specific certificate. If there's a...

jakarta-commons-httpclient: missing connection hostname check against X.509 certificate name

It was found that Apache Commons HttpClient 3.x, as used in Amazon Flexible Payments Service FPS merchant Java SDK and other products, does not verify that the server hostname matches a domain name in the subject's Common Name CN or subjectAltName field of the X.509 certificate, which allows...

CVE-2023-28857

Apereo CAS is an open source multilingual single sign-on solution for the web. Apereo CAS can be configured to use authentication based on client X509 certificates. These certificates can be provided via TLS handshake or a special HTTP header, such as “sslclientcert”. When checking the validity o...

Authentication flaw

Apereo CAS is an open source multilingual single sign-on solution for the web. Apereo CAS can be configured to use authentication based on client X509 certificates. These certificates can be provided via TLS handshake or a special HTTP header, such as “sslclientcert”. When checking the validity o...

CVE-2023-28857 LDAP password leak in Apereo CAS - GHSL-2023-009

Apereo CAS is an open source multilingual single sign-on solution for the web. Apereo CAS can be configured to use authentication based on client X509 certificates. These certificates can be provided via TLS handshake or a special HTTP header, such as “sslclientcert”. When checking the validity o...

CVE-2023-28857 LDAP password leak in Apereo CAS - GHSL-2023-009

Apereo CAS is an open source multilingual single sign-on solution for the web. Apereo CAS can be configured to use authentication based on client X509 certificates. These certificates can be provided via TLS handshake or a special HTTP header, such as “sslclientcert”. When checking the validity o...

CVE-2023-28857

Apereo CAS exposes an LDAP password leakage vulnerability in its X509-based authentication flow. When validating client certificates, X509CredentialsAuthenticationHandler fetches CRL Distribution Points from the certificate, which can include LDAP URLs. If CAS is configured to authenticate agains...

CVE-2023-28857 LDAP password leak in Apereo CAS - GHSL-2023-009

Apereo CAS is an open source multilingual single sign-on solution for the web. Apereo CAS can be configured to use authentication based on client X509 certificates. These certificates can be provided via TLS handshake or a special HTTP header, such as “sslclientcert”. When checking the validity o...

USN-6161-2 dotnet6, dotnet7 regression

USN-6161-1 fixed vulnerabilities in .NET. The update introduced a regression with regards to how the runtime imported X.509 certificates. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that .NET did not properly enforce certain...

F5 Networks BIG-IP : OpenSSL vulnerability (K000132941)

The version of F5 Networks BIG-IP installed on the remote host is prior to 15.1.10 / 16.1.4 / 17.1.1. It is, therefore, affected by a vulnerability as referenced in the K000132941 advisory. There is a type confusion vulnerability relating to X.400 address processing inside an X.509 GeneralName...

June 23, 2023—KB5028623 (OS Build 14393.5996) Out-of-band

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SUSE CVE-2023-30588

When an invalid public key is used to create an x509 certificate using the crypto.X509Certificate API a non-expect termination occurs making it susceptible to DoS attacks when the attacker could force interruptions of application processing, as the process terminates when accessing public key inf...

RHEL 9 : openssl (RHSA-2023:3722)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:3722 advisory. OpenSSL is a toolkit that implements the Secure Sockets Layer SSL and Transport Layer Security TLS protocols, as well as a full-strength...

Moderate: openssl security and bug fix update

OpenSSL is a toolkit that implements the Secure Sockets Layer SSL and Transport Layer Security TLS protocols, as well as a full-strength general-purpose cryptography library. Security Fixes: openssl: Possible DoS translating ASN.1 object identifiers CVE-2023-2650 openssl: Denial of service by...

ALSA-2023:3722 Moderate: openssl security and bug fix update

OpenSSL is a toolkit that implements the Secure Sockets Layer SSL and Transport Layer Security TLS protocols, as well as a full-strength general-purpose cryptography library. Security Fixes: openssl: Possible DoS translating ASN.1 object identifiers CVE-2023-2650 openssl: Denial of service by...

SUSE CVE-2023-33201

Bouncy Castle For Java before 1.74 is affected by an LDAP injection vulnerability. The vulnerability only affects applications that use an LDAP CertStore from Bouncy Castle to validate X.509 certificates. During the certificate validation process, Bouncy Castle inserts the certificate's Subject...

CVE-2023-29331

A vulnerability was found in dotnet. This issue can lead to a denial of service while processing X509 Certificates...

Denial of Service (DoS)

Overview Affected versions of this package are vulnerable to Denial of Service DoS. A vulnerability exists in .NET when processing malicious X.509 client certificates that may consume excessive CPU. Details Denial of Service DoS describes a family of attacks, all aimed at making a system...

Denial of Service (DoS)

Overview Affected versions of this package are vulnerable to Denial of Service DoS. A vulnerability exists in .NET when processing malicious X.509 client certificates that may consume excessive CPU. Details Denial of Service DoS describes a family of attacks, all aimed at making a system...