Anomaly detection in certificate-based TGT requests

One of the most complex yet effective methods of gaining unauthorized access to corporate network resources is an attack using forged certificates. Attackers create such certificates to fool the Key Distribution Center KDC into granting access to the target companys network. An example of such an...

MS KB5014754 - Audit events found for FAS

As Per the Microsoft KB linked below, we have found audit events on our domain controllers that indicate we will be impacted when this change is enforced. We need the remediation steps, so we can implement them before we're impacted...

SA45100 - CVE-2022-0778-OpenSSL-Vulnerability may lead to DoS attack

Last Modified Date Dec 15, 2023 5:27:41 PM...

Microsoft Urges Customers to Secure On-Premises Exchange Servers

Microsoft is urging customers to keep their Exchange servers updated as well as take steps to bolster the environment, such as enabling Windows Extended Protection and configuring certificate-based signing of PowerShell serialization payloads. "Attackers looking to exploit unpatched Exchange...

sssd: libsss_certmap fails to sanitise certificate data used in LDAP filters

A vulnerability was found in SSSD, in the libssscertmap functionality. PKINIT enables a client to authenticate to the KDC using an X.509 certificate and the corresponding private key, rather than a passphrase or keytab. FreeIPA uses mapping rules to map a certificate presented during a PKINIT...

SSSD 注入漏洞

SSSD is a daemon that provides access to local or remote identity and authentication resources. SSSD suffers from an injection vulnerability that stems from PKINIT enabling clients to authenticate to a KDC using an X.509 certificate and corresponding private key instead of a passphrase or key tab...

Failing DTLS handshakes may cause throttling to block processing of records

Impact Failing handshakes didn't cleanup counters for throttling. In consequence the threshold may get reached and will not be released again. The results in permanently dropping records. The issues was reported for certificate based handshakes, but it can't be excluded, that this happens also fo...

PT-2022-24935 · Eclipse · Eclipse Californium

Name of the Vulnerable Software and Affected Versions: Eclipse Californium versions prior to 3.7.0 Eclipse Californium versions prior to 2.7.4 Description: Eclipse Californium, a Java implementation of RFC7252 - Constrained Application Protocol for IoT Cloud services, is vulnerable to a Denial of...

CVE-2022-39368 Californium Failing DTLS handshakes causes Data Loss due to throttling blocking processing of records

Eclipse Californium is a Java implementation of RFC7252 - Constrained Application Protocol for IoT Cloud services. In versions prior to 3.7.0, and 2.7.4, Californium is vulnerable to a Denial of Service. Failing handshakes don't cleanup counters for throttling, causing the threshold to be reached...

Do more with less—Discover the latest Microsoft Entra innovations

It has certainly been another intense year. From the ongoing pandemic to the Great Reshuffle to economic uncertainty, it’s truly felt like the only constant is change.1 In this economy, many organizations are looking for efficiencies. This is putting pressure on security teams, along with everyon...

Do more with less—Discover the latest Microsoft Entra innovations

It has certainly been another intense year. From the ongoing pandemic to the Great Reshuffle to economic uncertainty, it’s truly felt like the only constant is change.1 In this economy, many organizations are looking for efficiencies. This is putting pressure on security teams, along with everyon...

CVE-2022-32563

An issue was discovered in Couchbase Sync Gateway 3.x before 3.0.2. Admin credentials are not verified when using X.509 client-certificate authentication from Sync Gateway to Couchbase Server. When Sync Gateway is configured to authenticate with Couchbase Server using X.509 client certificates, t...

CISA Temporarily Removes CVE-2022-26925 from Known Exploited Vulnerability Catalog

CISA is temporarily removing CVE-2022-26925 from its Known Exploited Vulnerability Catalog due to a risk of authentication failures when the May 10, 2022 Microsoft rollup update is applied to domain controllers. After installing May 10, 2022 rollup update on domain controllers, organizations migh...

Arista Networks Arista EOS 授权问题漏洞

Arista Networks Arista EOS is a scalable operating system for data centers and cloud network centers from Arista Networks, Inc. Arista EOS builds cloud architectures that scale to hundreds of thousands of compute and storage nodes with management and provisioning capabilities for large-scale jobs...

CVE-2021-28503

The impact of this vulnerability is that Arista's EOS eAPI may skip re-evaluating user credentials when certificate based authentication is used, which allows remote attackers to access the device via eAPI...

Red Hat Satellite 授权问题漏洞

Red Hat Satellite is a system management platform from Red Hat. The platform can be used to extend Linux infrastructures and provide system management functions such as administration, configuration, and monitoring. Red Hat Satellite has an authorization issue vulnerability that stems from Red Ha...

ALPINE-CVE-2021-41990

The gmp plugin in strongSwan before 5.9.4 has a remote integer overflow via a crafted certificate with an RSASSA-PSS signature. For example, this can be triggered by an unrelated self-signed CA certificate sent by an initiator. Remote code execution cannot occur...

CVE-2021-34433

In Eclipse Californium version 2.0.0 to 2.6.4 and 3.0.0-M1 to 3.0.0-M3, the certificate based x509 and RPK DTLS handshakes accidentally succeeds without verifying the server side's signature on the client side, if that signature is not included in the server's ServerKeyExchange...

californium-core: DTLS - DoS vulnerability for certificate based handshakes

A flaw was found in californium. The certificate based x509 and RPK DTLS handshakes fails due to the DTLS server side being set to a wrong internal state by a previous certificate based DTLS handshake failure with TLS parameter mismatch. The highest threat from this vulnerability is to system...

CVE-2020-27222

A flaw was found in californium. The certificate based x509 and RPK DTLS handshakes fails due to the DTLS server side being set to a wrong internal state by a previous certificate based DTLS handshake failure with TLS parameter mismatch. The highest threat from this vulnerability is to system...